Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 0 insertions, 1156 deletions

diff --git a/WebCore/platform/KURLGoogle.cpp b/WebCore/platform/KURLGoogle.cpp
deleted file mode 100644
index 6d63734..0000000
--- a/WebCore/platform/KURLGoogle.cpp
+++ /dev/null
@@ -1,1156 +0,0 @@
-/*
- * Copyright (C) 2004, 2007, 2008, 2009 Apple Inc. All rights reserved.
- * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
- * 
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- * 
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- * 
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#if USE(GOOGLEURL)
-#include "KURL.h"
-
-#ifndef NDEBUG
-#include <stdio.h>
-#endif
-
-#include <algorithm>
-
-#include "NotImplemented.h"
-#include "TextEncoding.h"
-#include <wtf/HashMap.h>
-#include <wtf/Vector.h>
-#include <wtf/StdLibExtras.h>
-#include <wtf/text/CString.h>
-#include <wtf/text/StringHash.h>
-
-#include <googleurl/src/url_util.h>
-
-using WTF::isASCIILower;
-using WTF::toASCIILower;
-using std::binary_search;
-
-namespace WebCore {
-
-static const int maximumValidPortNumber = 0xFFFE;
-static const int invalidPortNumber = 0xFFFF;
-
-// Wraps WebCore's text encoding in a character set converter for the
-// canonicalizer.
-class KURLCharsetConverter : public url_canon::CharsetConverter {
-public:
-    // The encoding parameter may be NULL, but in this case the object must not
-    // be called.
-    KURLCharsetConverter(const TextEncoding* encoding)
-        : m_encoding(encoding)
-    {
-    }
-
-    virtual void ConvertFromUTF16(const url_parse::UTF16Char* input, int inputLength,
-                                  url_canon::CanonOutput* output)
-    {
-        CString encoded = m_encoding->encode(input, inputLength, URLEncodedEntitiesForUnencodables);
-        output->Append(encoded.data(), static_cast<int>(encoded.length()));
-    }
-
-private:
-    const TextEncoding* m_encoding;
-};
-
-// Note that this function must be named differently than the one in KURL.cpp
-// since our unit tests evilly include both files, and their local definition
-// will be ambiguous.
-static inline void assertProtocolIsGood(const char* protocol)
-{
-#ifndef NDEBUG
-    const char* p = protocol;
-    while (*p) {
-        ASSERT(*p > ' ' && *p < 0x7F && !(*p >= 'A' && *p <= 'Z'));
-        ++p;
-    }
-#endif
-}
-
-// Returns the characters for the given string, or a pointer to a static empty
-// string if the input string is NULL. This will always ensure we have a non-
-// NULL character pointer since ReplaceComponents has special meaning for NULL.
-static inline const url_parse::UTF16Char* CharactersOrEmpty(const String& str)
-{
-    static const url_parse::UTF16Char zero = 0;
-    return str.characters() ?
-           reinterpret_cast<const url_parse::UTF16Char*>(str.characters()) :
-           &zero;
-}
-
-static inline bool isUnicodeEncoding(const TextEncoding* encoding)
-{
-    return encoding->encodingForFormSubmission() == UTF8Encoding();
-}
-
-static bool lowerCaseEqualsASCII(const char* begin, const char* end, const char* str)
-{
-    while (begin != end && *str) {
-        ASSERT(toASCIILower(*str) == *str);
-        if (toASCIILower(*begin++) != *str++)
-            return false;
-    }
-
-    // Both strings are equal (ignoring case) if and only if all of the characters were equal,
-    // and the end of both has been reached.
-    return begin == end && !*str;
-}
-
-static inline bool isSchemeFirstChar(char c)
-{
-    return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
-}
-
-static inline bool isSchemeChar(char c)
-{
-    return isSchemeFirstChar(c) || (c >= '0' && c <= '9') || c == '.' || c == '-' || c == '*';
-}
-
-
-// KURLGooglePrivate -----------------------------------------------------------
-
-KURLGooglePrivate::KURLGooglePrivate()
-    : m_isValid(false)
-    , m_protocolInHTTPFamily(false)
-    , m_utf8IsASCII(true)
-    , m_stringIsValid(false)
-{
-}
-
-KURLGooglePrivate::KURLGooglePrivate(const url_parse::Parsed& parsed, bool isValid)
-    : m_isValid(isValid)
-    , m_protocolInHTTPFamily(false)
-    , m_parsed(parsed)
-    , m_utf8IsASCII(true)
-    , m_stringIsValid(false)
-{
-}
-
-// Setters for the data. Using the ASCII version when you know the
-// data is ASCII will be slightly more efficient. The UTF-8 version
-// will always be correct if the caller is unsure.
-void KURLGooglePrivate::setUtf8(const CString& str)
-{
-    const char* data = str.data();
-    unsigned dataLength = str.length();
-
-    // The m_utf8IsASCII must always be correct since the DeprecatedString
-    // getter must create it with the proper constructor. This test can be
-    // removed when DeprecatedString is gone, but it still might be a
-    // performance win.
-    m_utf8IsASCII = true;
-    for (unsigned i = 0; i < dataLength; i++) {
-        if (static_cast<unsigned char>(data[i]) >= 0x80) {
-            m_utf8IsASCII = false;
-            break;
-        }
-    }
-
-    m_utf8 = str;
-    m_stringIsValid = false;
-    initProtocolInHTTPFamily();
-}
-
-void KURLGooglePrivate::setAscii(const CString& str)
-{
-    m_utf8 = str;
-    m_utf8IsASCII = true;
-    m_stringIsValid = false;
-    initProtocolInHTTPFamily();
-}
-
-void KURLGooglePrivate::init(const KURL& base,
-                             const String& relative,
-                             const TextEncoding* queryEncoding)
-{
-    init(base, relative.characters(), relative.length(), queryEncoding);
-}
-
-// Note: code mostly duplicated below.
-void KURLGooglePrivate::init(const KURL& base, const char* rel, int relLength,
-                             const TextEncoding* queryEncoding)
-{
-    // As a performance optimization, we do not use the charset converter if
-    // encoding is UTF-8 or other Unicode encodings. Note that this is
-    // per HTML5 2.5.3 (resolving URL). The URL canonicalizer will be
-    // more efficient with no charset converter object because it
-    // can do UTF-8 internally with no extra copies.
-
-    // We feel free to make the charset converter object every time since it's
-    // just a wrapper around a reference.
-    KURLCharsetConverter charsetConverterObject(queryEncoding);
-    KURLCharsetConverter* charsetConverter =
-        (!queryEncoding || isUnicodeEncoding(queryEncoding)) ? 0 :
-        &charsetConverterObject;
-
-    url_canon::RawCanonOutputT<char> output;
-    const CString& baseStr = base.m_url.utf8String();
-    m_isValid = url_util::ResolveRelative(baseStr.data(), baseStr.length(),
-                                          base.m_url.m_parsed, rel, relLength,
-                                          charsetConverter,
-                                          &output, &m_parsed);
-
-    // See FIXME in KURLGooglePrivate in the header. If canonicalization has not
-    // changed the string, we can avoid an extra allocation by using assignment.
-    //
-    // When KURL encounters an error such that the URL is invalid and empty
-    // (for example, resolving a relative URL on a non-hierarchical base), it
-    // will produce an isNull URL, and calling setUtf8 will produce an empty
-    // non-null URL. This is unlikely to affect anything, but we preserve this
-    // just in case.
-    if (m_isValid || output.length()) {
-        // Without ref, the whole url is guaranteed to be ASCII-only.
-        if (m_parsed.ref.is_nonempty())
-            setUtf8(CString(output.data(), output.length()));
-        else
-            setAscii(CString(output.data(), output.length()));
-    } else {
-        // WebCore expects resolved URLs to be empty rather than NULL.
-        setUtf8(CString("", 0));
-    }
-}
-
-// Note: code mostly duplicated above. See FIXMEs and comments there.
-void KURLGooglePrivate::init(const KURL& base, const UChar* rel, int relLength,
-                             const TextEncoding* queryEncoding)
-{
-    KURLCharsetConverter charsetConverterObject(queryEncoding);
-    KURLCharsetConverter* charsetConverter =
-        (!queryEncoding || isUnicodeEncoding(queryEncoding)) ? 0 :
-        &charsetConverterObject;
-
-    url_canon::RawCanonOutputT<char> output;
-    const CString& baseStr = base.m_url.utf8String();
-    m_isValid = url_util::ResolveRelative(baseStr.data(), baseStr.length(),
-                                          base.m_url.m_parsed, rel, relLength,
-                                          charsetConverter,
-                                          &output, &m_parsed);
-
-
-    if (m_isValid || output.length()) {
-        if (m_parsed.ref.is_nonempty())
-            setUtf8(CString(output.data(), output.length()));
-        else
-            setAscii(CString(output.data(), output.length()));
-    } else
-        setUtf8(CString("", 0));
-}
-
-void KURLGooglePrivate::initProtocolInHTTPFamily()
-{
-    if (!m_isValid) {
-        m_protocolInHTTPFamily = false;
-        return;
-    }
-
-    const char* scheme = m_utf8.data() + m_parsed.scheme.begin;
-    if (m_parsed.scheme.len == 4)
-        m_protocolInHTTPFamily = lowerCaseEqualsASCII(scheme, scheme + 4, "http");
-    else if (m_parsed.scheme.len == 5)
-        m_protocolInHTTPFamily = lowerCaseEqualsASCII(scheme, scheme + 5, "https");
-    else
-        m_protocolInHTTPFamily = false;
-}
-
-void KURLGooglePrivate::copyTo(KURLGooglePrivate* dest) const
-{
-    dest->m_isValid = m_isValid;
-    dest->m_protocolInHTTPFamily = m_protocolInHTTPFamily;
-    dest->m_parsed = m_parsed;
-
-    // Don't copy the 16-bit string since that will be regenerated as needed.
-    dest->m_utf8 = CString(m_utf8.data(), m_utf8.length());
-    dest->m_utf8IsASCII = m_utf8IsASCII;
-    dest->m_stringIsValid = false;
-}
-
-String KURLGooglePrivate::componentString(const url_parse::Component& comp) const
-{
-    if (!m_isValid || comp.len <= 0) {
-        // KURL returns a NULL string if the URL is itself a NULL string, and an
-        // empty string for other nonexistant entities.
-        if (utf8String().isNull())
-            return String();
-        return String("", 0);
-    }
-    // begin and len are in terms of bytes which do not match
-    // if string() is UTF-16 and input contains non-ASCII characters.
-    // However, the only part in urlString that can contain non-ASCII
-    // characters is 'ref' at the end of the string. In that case,
-    // begin will always match the actual value and len (in terms of
-    // byte) will be longer than what's needed by 'mid'. However, mid
-    // truncates len to avoid go past the end of a string so that we can
-    // get away withtout doing anything here.
-    return string().substring(comp.begin, comp.len);
-}
-
-void KURLGooglePrivate::replaceComponents(const Replacements& replacements)
-{
-    url_canon::RawCanonOutputT<char> output;
-    url_parse::Parsed newParsed;
-
-    m_isValid = url_util::ReplaceComponents(utf8String().data(),
-                                            utf8String().length(), m_parsed, replacements, 0, &output, &newParsed);
-
-    m_parsed = newParsed;
-    if (m_parsed.ref.is_nonempty())
-        setUtf8(CString(output.data(), output.length()));
-    else
-        setAscii(CString(output.data(), output.length()));
-}
-
-const String& KURLGooglePrivate::string() const
-{
-    if (!m_stringIsValid) {
-        // Must special case the NULL case, since constructing the
-        // string like we do below will generate an empty rather than
-        // a NULL string.
-        if (m_utf8.isNull())
-            m_string = String();
-        else if (m_utf8IsASCII)
-            m_string = String(m_utf8.data(), m_utf8.length());
-        else
-            m_string = String::fromUTF8(m_utf8.data(), m_utf8.length());
-        m_stringIsValid = true;
-    }
-    return m_string;
-}
-
-// KURL ------------------------------------------------------------------------
-
-// Creates with NULL-terminated string input representing an absolute URL.
-// WebCore generally calls this only with hardcoded strings, so the input is
-// ASCII. We treat is as UTF-8 just in case.
-KURL::KURL(ParsedURLStringTag, const char *url)
-{
-    // FIXME The Mac code checks for beginning with a slash and converting to a
-    // file: URL. We will want to add this as well once we can compile on a
-    // system like that.
-    m_url.init(KURL(), url, strlen(url), 0);
-
-    // The one-argument constructors should never generate a NULL string.
-    // This is a funny quirk of KURL.cpp (probably a bug) which we preserve.
-    if (m_url.utf8String().isNull())
-        m_url.setAscii(CString("", 0));
-}
-
-// Initializes with a string representing an absolute URL. No encoding
-// information is specified. This generally happens when a KURL is converted
-// to a string and then converted back. In this case, the URL is already
-// canonical and in proper escaped form so needs no encoding. We treat it was
-// UTF-8 just in case.
-KURL::KURL(ParsedURLStringTag, const String& url)
-{
-    if (!url.isNull())
-        m_url.init(KURL(), url, 0);
-    else {
-        // WebCore expects us to preserve the nullness of strings when this
-        // constructor is used. In all other cases, it expects a non-null
-        // empty string, which is what init() will create.
-        m_url.m_isValid = false;
-        m_url.m_protocolInHTTPFamily = false;
-    }
-}
-
-// Constructs a new URL given a base URL and a possibly relative input URL.
-// This assumes UTF-8 encoding.
-KURL::KURL(const KURL& base, const String& relative)
-{
-    m_url.init(base, relative, 0);
-}
-
-// Constructs a new URL given a base URL and a possibly relative input URL.
-// Any query portion of the relative URL will be encoded in the given encoding.
-KURL::KURL(const KURL& base,
-           const String& relative,
-           const TextEncoding& encoding)
-{
-    m_url.init(base, relative, &encoding.encodingForFormSubmission());
-}
-
-KURL::KURL(const CString& canonicalSpec,
-           const url_parse::Parsed& parsed, bool isValid)
-    : m_url(parsed, isValid)
-{
-    // We know the reference fragment is the only part that can be UTF-8, so
-    // we know it's ASCII when there is no ref.
-    if (parsed.ref.is_nonempty())
-        m_url.setUtf8(canonicalSpec);
-    else
-        m_url.setAscii(canonicalSpec);
-}
-
-#if PLATFORM(CF)
-KURL::KURL(CFURLRef)
-{
-    notImplemented();
-    invalidate();
-}
-
-CFURLRef KURL::createCFURL() const
-{
-    notImplemented();
-    return 0;
-}
-#endif
-
-KURL KURL::copy() const
-{
-    KURL result = *this;
-    m_url.copyTo(&result.m_url);
-    return result;
-}
-
-bool KURL::isNull() const
-{
-    return m_url.utf8String().isNull();
-}
-
-bool KURL::isEmpty() const
-{
-    return !m_url.utf8String().length();
-}
-
-bool KURL::isValid() const
-{
-    return m_url.m_isValid;
-}
-
-bool KURL::hasPort() const
-{
-    return hostEnd() < pathStart();
-}
-
-bool KURL::protocolInHTTPFamily() const
-{
-    return m_url.m_protocolInHTTPFamily;
-}
-
-bool KURL::hasPath() const
-{
-    // Note that http://www.google.com/" has a path, the path is "/". This can
-    // return false only for invalid or nonstandard URLs.
-    return m_url.m_parsed.path.len >= 0;
-}
-
-// We handle "parameters" separated by a semicolon, while KURL.cpp does not,
-// which can lead to different results in some cases.
-String KURL::lastPathComponent() const
-{
-    // When the output ends in a slash, WebCore has different expectations than
-    // the GoogleURL library. For "/foo/bar/" the library will return the empty
-    // string, but WebCore wants "bar".
-    url_parse::Component path = m_url.m_parsed.path;
-    if (path.len > 0 && m_url.utf8String().data()[path.end() - 1] == '/')
-        path.len--;
-
-    url_parse::Component file;
-    url_parse::ExtractFileName(m_url.utf8String().data(), path, &file);
-
-    // Bug: https://bugs.webkit.org/show_bug.cgi?id=21015 this function returns
-    // a null string when the path is empty, which we duplicate here.
-    if (!file.is_nonempty())
-        return String();
-    return m_url.componentString(file);
-}
-
-String KURL::protocol() const
-{
-    return m_url.componentString(m_url.m_parsed.scheme);
-}
-
-String KURL::host() const
-{
-    // Note: KURL.cpp unescapes here.
-    return m_url.componentString(m_url.m_parsed.host);
-}
-
-// Returns 0 when there is no port.
-//
-// We treat URL's with out-of-range port numbers as invalid URLs, and they will
-// be rejected by the canonicalizer. KURL.cpp will allow them in parsing, but
-// return invalidPortNumber from this port() function, so we mirror that behavior here.
-unsigned short KURL::port() const
-{
-    if (!m_url.m_isValid || m_url.m_parsed.port.len <= 0)
-        return 0;
-    int port = url_parse::ParsePort(m_url.utf8String().data(), m_url.m_parsed.port);
-    ASSERT(port != url_parse::PORT_UNSPECIFIED); // Checked port.len <= 0 before.
-
-    if (port == url_parse::PORT_INVALID || port > maximumValidPortNumber) // Mimic KURL::port()
-        port = invalidPortNumber;
-
-    return static_cast<unsigned short>(port);
-}
-
-// Returns the empty string if there is no password.
-String KURL::pass() const
-{
-    // Bug: https://bugs.webkit.org/show_bug.cgi?id=21015 this function returns
-    // a null string when the password is empty, which we duplicate here.
-    if (!m_url.m_parsed.password.is_nonempty())
-        return String();
-
-    // Note: KURL.cpp unescapes here.
-    return m_url.componentString(m_url.m_parsed.password);
-}
-
-// Returns the empty string if there is no username.
-String KURL::user() const
-{
-    // Note: KURL.cpp unescapes here.
-    return m_url.componentString(m_url.m_parsed.username);
-}
-
-String KURL::fragmentIdentifier() const
-{
-    // Empty but present refs ("foo.com/bar#") should result in the empty
-    // string, which m_url.componentString will produce. Nonexistant refs should be
-    // the NULL string.
-    if (!m_url.m_parsed.ref.is_valid())
-        return String();
-
-    // Note: KURL.cpp unescapes here.
-    return m_url.componentString(m_url.m_parsed.ref);
-}
-
-bool KURL::hasFragmentIdentifier() const
-{
-    // Note: KURL.cpp unescapes here.
-    // FIXME determine if KURL.cpp agrees about an empty ref
-    return m_url.m_parsed.ref.len >= 0;
-}
-
-void KURL::copyParsedQueryTo(ParsedURLParameters& parameters) const
-{
-    String query = m_url.componentString(m_url.m_parsed.query);
-    const UChar* pos = query.characters();
-    const UChar* end = query.characters() + query.length();
-    while (pos < end) {
-        const UChar* parameterStart = pos;
-        while (pos < end && *pos != '&')
-            ++pos;
-        const UChar* parameterEnd = pos;
-        if (pos < end) {
-            ASSERT(*pos == '&');
-            ++pos;
-        }
-        if (parameterStart == parameterEnd)
-            continue;
-        const UChar* nameStart = parameterStart;
-        const UChar* equalSign = parameterStart;
-        while (equalSign < parameterEnd && *equalSign != '=')
-            ++equalSign;
-        if (equalSign == nameStart)
-            continue;
-        String name(nameStart, equalSign - nameStart);
-        String value = equalSign == parameterEnd ? String() : String(equalSign + 1, parameterEnd - equalSign - 1);
-        parameters.set(name, value);
-    }
-}
-
-String KURL::baseAsString() const
-{
-    // FIXME: There is probably a more efficient way to do this?
-    return string().left(pathAfterLastSlash());
-}
-
-String KURL::query() const
-{
-    if (m_url.m_parsed.query.len >= 0)
-        return m_url.componentString(m_url.m_parsed.query);
-
-    // Bug: https://bugs.webkit.org/show_bug.cgi?id=21015 this function returns
-    // an empty string when the query is empty rather than a null (not sure
-    // which is right).
-    // Returns a null if the query is not specified, instead of empty.
-    if (m_url.m_parsed.query.is_valid())
-        return String("", 0);
-    return String();
-}
-
-String KURL::path() const
-{
-    // Note: KURL.cpp unescapes here.
-    return m_url.componentString(m_url.m_parsed.path);
-}
-
-bool KURL::setProtocol(const String& protocol)
-{
-    // Firefox and IE remove everything after the first ':'.
-    int separatorPosition = protocol.find(':');
-    String newProtocol = protocol.substring(0, separatorPosition);
-
-    // If KURL is given an invalid scheme, it returns failure without modifying
-    // the URL at all. This is in contrast to most other setters which modify
-    // the URL and set "m_isValid."
-    url_canon::RawCanonOutputT<char> canonProtocol;
-    url_parse::Component protocolComponent;
-    if (!url_canon::CanonicalizeScheme(newProtocol.characters(),
-                                       url_parse::Component(0, newProtocol.length()),
-                                       &canonProtocol, &protocolComponent)
-        || !protocolComponent.is_nonempty())
-        return false;
-
-    KURLGooglePrivate::Replacements replacements;
-    replacements.SetScheme(CharactersOrEmpty(newProtocol),
-                           url_parse::Component(0, newProtocol.length()));
-    m_url.replaceComponents(replacements);
-
-    // isValid could be false but we still return true here. This is because
-    // WebCore or JS scripts can build up a URL by setting individual
-    // components, and a JS exception is based on the return value of this
-    // function. We want to throw the exception and stop the script only when
-    // its trying to set a bad protocol, and not when it maybe just hasn't
-    // finished building up its final scheme.
-    return true;
-}
-
-void KURL::setHost(const String& host)
-{
-    KURLGooglePrivate::Replacements replacements;
-    replacements.SetHost(CharactersOrEmpty(host),
-                         url_parse::Component(0, host.length()));
-    m_url.replaceComponents(replacements);
-}
-
-void KURL::setHostAndPort(const String& s)
-{
-    String host = s;
-    String port;
-    int hostEnd = s.find(":");
-    if (hostEnd != -1) {
-        host = s.left(hostEnd);
-        port = s.substring(hostEnd + 1);
-    }
-
-    KURLGooglePrivate::Replacements replacements;
-    // Host can't be removed, so we always set.
-    replacements.SetHost(CharactersOrEmpty(host),
-                         url_parse::Component(0, host.length()));
-
-    if (port.isEmpty())  // Port may be removed, so we support clearing.
-        replacements.ClearPort();
-    else
-        replacements.SetPort(CharactersOrEmpty(port), url_parse::Component(0, port.length()));
-    m_url.replaceComponents(replacements);
-}
-
-void KURL::removePort()
-{
-    if (hasPort()) {
-        String urlWithoutPort = m_url.string().left(hostEnd()) + m_url.string().substring(pathStart());
-        m_url.setUtf8(urlWithoutPort.utf8());
-    }
-}
-
-void KURL::setPort(unsigned short i)
-{
-    KURLGooglePrivate::Replacements replacements;
-    String portStr;
-    if (i) {
-        portStr = String::number(i);
-        replacements.SetPort(
-            reinterpret_cast<const url_parse::UTF16Char*>(portStr.characters()),
-            url_parse::Component(0, portStr.length()));
-
-    } else {
-        // Clear any existing port when it is set to 0.
-        replacements.ClearPort();
-    }
-    m_url.replaceComponents(replacements);
-}
-
-void KURL::setUser(const String& user)
-{
-    // This function is commonly called to clear the username, which we
-    // normally don't have, so we optimize this case.
-    if (user.isEmpty() && !m_url.m_parsed.username.is_valid())
-        return;
-
-    // The canonicalizer will clear any usernames that are empty, so we
-    // don't have to explicitly call ClearUsername() here.
-    KURLGooglePrivate::Replacements replacements;
-    replacements.SetUsername(CharactersOrEmpty(user),
-                             url_parse::Component(0, user.length()));
-    m_url.replaceComponents(replacements);
-}
-
-void KURL::setPass(const String& pass)
-{
-    // This function is commonly called to clear the password, which we
-    // normally don't have, so we optimize this case.
-    if (pass.isEmpty() && !m_url.m_parsed.password.is_valid())
-        return;
-
-    // The canonicalizer will clear any passwords that are empty, so we
-    // don't have to explicitly call ClearUsername() here.
-    KURLGooglePrivate::Replacements replacements;
-    replacements.SetPassword(CharactersOrEmpty(pass),
-                             url_parse::Component(0, pass.length()));
-    m_url.replaceComponents(replacements);
-}
-
-void KURL::setFragmentIdentifier(const String& s)
-{
-    // This function is commonly called to clear the ref, which we
-    // normally don't have, so we optimize this case.
-    if (s.isNull() && !m_url.m_parsed.ref.is_valid())
-        return;
-
-    KURLGooglePrivate::Replacements replacements;
-    if (s.isNull())
-        replacements.ClearRef();
-    else
-        replacements.SetRef(CharactersOrEmpty(s), url_parse::Component(0, s.length()));
-    m_url.replaceComponents(replacements);
-}
-
-void KURL::removeFragmentIdentifier()
-{
-    KURLGooglePrivate::Replacements replacements;
-    replacements.ClearRef();
-    m_url.replaceComponents(replacements);
-}
-
-void KURL::setQuery(const String& query)
-{
-    KURLGooglePrivate::Replacements replacements;
-    if (query.isNull()) {
-        // KURL.cpp sets to NULL to clear any query.
-        replacements.ClearQuery();
-    } else if (query.length() > 0 && query[0] == '?') {
-        // WebCore expects the query string to begin with a question mark, but
-        // GoogleURL doesn't. So we trim off the question mark when setting.
-        replacements.SetQuery(CharactersOrEmpty(query),
-                              url_parse::Component(1, query.length() - 1));
-    } else {
-        // When set with the empty string or something that doesn't begin with
-        // a question mark, KURL.cpp will add a question mark for you. The only
-        // way this isn't compatible is if you call this function with an empty
-        // string. KURL.cpp will leave a '?' with nothing following it in the
-        // URL, whereas we'll clear it.
-        // FIXME We should eliminate this difference.
-        replacements.SetQuery(CharactersOrEmpty(query),
-                              url_parse::Component(0, query.length()));
-    }
-    m_url.replaceComponents(replacements);
-}
-
-void KURL::setPath(const String& path)
-{
-    // Empty paths will be canonicalized to "/", so we don't have to worry
-    // about calling ClearPath().
-    KURLGooglePrivate::Replacements replacements;
-    replacements.SetPath(CharactersOrEmpty(path),
-                         url_parse::Component(0, path.length()));
-    m_url.replaceComponents(replacements);
-}
-
-// On Mac, this just seems to return the same URL, but with "/foo/bar" for
-// file: URLs instead of file:///foo/bar. We don't bother with any of this,
-// at least for now.
-String KURL::prettyURL() const
-{
-    if (!m_url.m_isValid)
-        return String();
-    return m_url.string();
-}
-
-bool protocolIsJavaScript(const String& url)
-{
-    return protocolIs(url, "javascript");
-}
-
-// We copied the KURL version here on Dec 4, 2009 while doing a WebKit
-// merge.
-//
-// FIXME Somehow share this with KURL? Like we'd theoretically merge with
-// decodeURLEscapeSequences below?
-bool isDefaultPortForProtocol(unsigned short port, const String& protocol)
-{
-    if (protocol.isEmpty())
-        return false;
-
-    typedef HashMap<String, unsigned, CaseFoldingHash> DefaultPortsMap;
-    DEFINE_STATIC_LOCAL(DefaultPortsMap, defaultPorts, ());
-    if (defaultPorts.isEmpty()) {
-        defaultPorts.set("http", 80);
-        defaultPorts.set("https", 443);
-        defaultPorts.set("ftp", 21);
-        defaultPorts.set("ftps", 990);
-    }
-    return defaultPorts.get(protocol) == port;
-}
-
-// We copied the KURL version here on Dec 4, 2009 while doing a WebKit
-// merge.
-//
-// FIXME Somehow share this with KURL? Like we'd theoretically merge with
-// decodeURLEscapeSequences below?
-bool portAllowed(const KURL& url)
-{
-    unsigned short port = url.port();
-
-    // Since most URLs don't have a port, return early for the "no port" case.
-    if (!port)
-        return true;
-
-    // This blocked port list matches the port blocking that Mozilla implements.
-    // See http://www.mozilla.org/projects/netlib/PortBanning.html for more information.
-    static const unsigned short blockedPortList[] = {
-        1,    // tcpmux
-        7,    // echo
-        9,    // discard
-        11,   // systat
-        13,   // daytime
-        15,   // netstat
-        17,   // qotd
-        19,   // chargen
-        20,   // FTP-data
-        21,   // FTP-control
-        22,   // SSH
-        23,   // telnet
-        25,   // SMTP
-        37,   // time
-        42,   // name
-        43,   // nicname
-        53,   // domain
-        77,   // priv-rjs
-        79,   // finger
-        87,   // ttylink
-        95,   // supdup
-        101,  // hostriame
-        102,  // iso-tsap
-        103,  // gppitnp
-        104,  // acr-nema
-        109,  // POP2
-        110,  // POP3
-        111,  // sunrpc
-        113,  // auth
-        115,  // SFTP
-        117,  // uucp-path
-        119,  // nntp
-        123,  // NTP
-        135,  // loc-srv / epmap
-        139,  // netbios
-        143,  // IMAP2
-        179,  // BGP
-        389,  // LDAP
-        465,  // SMTP+SSL
-        512,  // print / exec
-        513,  // login
-        514,  // shell
-        515,  // printer
-        526,  // tempo
-        530,  // courier
-        531,  // Chat
-        532,  // netnews
-        540,  // UUCP
-        556,  // remotefs
-        563,  // NNTP+SSL
-        587,  // ESMTP
-        601,  // syslog-conn
-        636,  // LDAP+SSL
-        993,  // IMAP+SSL
-        995,  // POP3+SSL
-        2049, // NFS
-        3659, // apple-sasl / PasswordServer [Apple addition]
-        4045, // lockd
-        6000, // X11
-        6665, // Alternate IRC [Apple addition]
-        6666, // Alternate IRC [Apple addition]
-        6667, // Standard IRC [Apple addition]
-        6668, // Alternate IRC [Apple addition]
-        6669, // Alternate IRC [Apple addition]
-        invalidPortNumber, // Used to block all invalid port numbers
-    };
-    const unsigned short* const blockedPortListEnd = blockedPortList + WTF_ARRAY_LENGTH(blockedPortList);
-
-#ifndef NDEBUG
-    // The port list must be sorted for binary_search to work.
-    static bool checkedPortList = false;
-    if (!checkedPortList) {
-        for (const unsigned short* p = blockedPortList; p != blockedPortListEnd - 1; ++p)
-            ASSERT(*p < *(p + 1));
-        checkedPortList = true;
-    }
-#endif
-
-    // If the port is not in the blocked port list, allow it.
-    if (!binary_search(blockedPortList, blockedPortListEnd, port))
-        return true;
-
-    // Allow ports 21 and 22 for FTP URLs, as Mozilla does.
-    if ((port == 21 || port == 22) && url.protocolIs("ftp"))
-        return true;
-
-    // Allow any port number in a file URL, since the port number is ignored.
-    if (url.protocolIs("file"))
-        return true;
-
-    return false;
-}
-
-// We copied the KURL version here on Sept 12, 2008 while doing a WebKit
-// merge.
-// 
-// FIXME Somehow share this with KURL? Like we'd theoretically merge with
-// decodeURLEscapeSequences below?
-String mimeTypeFromDataURL(const String& url)
-{
-    ASSERT(protocolIs(url, "data"));
-    int index = url.find(';');
-    if (index == -1)
-        index = url.find(',');
-    if (index != -1) {
-        int len = index - 5;
-        if (len > 0)
-            return url.substring(5, len);
-        return "text/plain"; // Data URLs with no MIME type are considered text/plain.
-    }
-    return "";
-}
-
-String decodeURLEscapeSequences(const String& str)
-{
-    return decodeURLEscapeSequences(str, UTF8Encoding());
-}
-
-// In KURL.cpp's implementation, this is called by every component getter.
-// It will unescape every character, including NULL. This is scary, and may
-// cause security holes. We never call this function for components, and
-// just return the ASCII versions instead.
-//
-// This function is also used to decode javascript: URLs and as a general
-// purpose unescaping function.
-//
-// FIXME These should be merged to the KURL.cpp implementation.
-String decodeURLEscapeSequences(const String& str, const TextEncoding& encoding)
-{
-    // FIXME We can probably use KURL.cpp's version of this function
-    // without modification. However, I'm concerned about
-    // https://bugs.webkit.org/show_bug.cgi?id=20559 so am keeping this old
-    // custom code for now. Using their version will also fix the bug that
-    // we ignore the encoding.
-    //
-    // FIXME b/1350291: This does not get called very often. We just convert
-    // first to 8-bit UTF-8, then unescape, then back to 16-bit. This kind of
-    // sucks, and we don't use the encoding properly, which will make some
-    // obscure anchor navigations fail.
-    CString cstr = str.utf8();
-
-    const char* input = cstr.data();
-    int inputLength = cstr.length();
-
-    url_canon::RawCanonOutputT<url_parse::UTF16Char> unescaped;
-
-    url_util::DecodeURLEscapeSequences(input, inputLength, &unescaped);
-
-    return String(reinterpret_cast<UChar*>(unescaped.data()),
-                  unescaped.length());
-}
-
-bool KURL::protocolIs(const char* protocol) const
-{
-    assertProtocolIsGood(protocol);
-
-    // JavaScript URLs are "valid" and should be executed even if KURL decides they are invalid.
-    // The free function protocolIsJavaScript() should be used instead.
-    // FIXME: Chromium code needs to be fixed for this assert to be enabled. ASSERT(strcmp(protocol, "javascript"));
-
-    if (m_url.m_parsed.scheme.len <= 0)
-        return !protocol;
-    return lowerCaseEqualsASCII(
-        m_url.utf8String().data() + m_url.m_parsed.scheme.begin,
-        m_url.utf8String().data() + m_url.m_parsed.scheme.end(),
-        protocol);
-}
-
-bool KURL::isLocalFile() const
-{
-    return protocolIs("file");
-}
-
-// This is called to escape a URL string. It is only used externally when
-// constructing mailto: links to set the query section. Since our query setter
-// will automatically do the correct escaping, this function does not have to
-// do any work.
-//
-// There is a possibility that a future called may use this function in other
-// ways, and may expect to get a valid URL string. The dangerous thing we want
-// to protect against here is accidentally getting NULLs in a string that is
-// not supposed to have NULLs. Therefore, we escape NULLs here to prevent this.
-String encodeWithURLEscapeSequences(const String& notEncodedString)
-{
-    CString utf8 = UTF8Encoding().encode(
-        reinterpret_cast<const UChar*>(notEncodedString.characters()),
-        notEncodedString.length(),
-        URLEncodedEntitiesForUnencodables);
-    const char* input = utf8.data();
-    int inputLength = utf8.length();
-
-    Vector<char, 2048> buffer;
-    for (int i = 0; i < inputLength; i++) {
-        if (!input[i])
-            buffer.append("%00", 3);
-        else
-            buffer.append(input[i]);
-    }
-    return String(buffer.data(), buffer.size());
-}
-
-bool KURL::isHierarchical() const
-{
-    if (!m_url.m_parsed.scheme.is_nonempty())
-        return false;
-    return url_util::IsStandard(
-        &m_url.utf8String().data()[m_url.m_parsed.scheme.begin],
-        m_url.m_parsed.scheme);
-}
-
-#ifndef NDEBUG
-void KURL::print() const
-{
-    printf("%s\n", m_url.utf8String().data());
-}
-#endif
-
-void KURL::invalidate()
-{
-    // This is only called from the constructor so resetting the (automatically
-    // initialized) string and parsed structure would be a waste of time.
-    m_url.m_isValid = false;
-    m_url.m_protocolInHTTPFamily = false;
-}
-
-// Equal up to reference fragments, if any.
-bool equalIgnoringFragmentIdentifier(const KURL& a, const KURL& b)
-{
-    // Compute the length of each URL without its ref. Note that the reference
-    // begin (if it exists) points to the character *after* the '#', so we need
-    // to subtract one.
-    int aLength = a.m_url.utf8String().length();
-    if (a.m_url.m_parsed.ref.len >= 0)
-        aLength = a.m_url.m_parsed.ref.begin - 1;
-
-    int bLength = b.m_url.utf8String().length();
-    if (b.m_url.m_parsed.ref.len >= 0)
-        bLength = b.m_url.m_parsed.ref.begin - 1;
-
-    return aLength == bLength
-        && !strncmp(a.m_url.utf8String().data(), b.m_url.utf8String().data(), aLength);
-}
-
-unsigned KURL::hostStart() const
-{
-    return m_url.m_parsed.CountCharactersBefore(url_parse::Parsed::HOST, false);
-}
-
-unsigned KURL::hostEnd() const
-{
-    return m_url.m_parsed.CountCharactersBefore(url_parse::Parsed::PORT, true);
-}
-
-unsigned KURL::pathStart() const
-{
-    return m_url.m_parsed.CountCharactersBefore(url_parse::Parsed::PATH, false);
-}
-
-unsigned KURL::pathEnd() const
-{
-    return m_url.m_parsed.CountCharactersBefore(url_parse::Parsed::QUERY, true);
-}
-
-unsigned KURL::pathAfterLastSlash() const
-{
-    // When there's no path, ask for what would be the beginning of it.
-    if (!m_url.m_parsed.path.is_valid())
-        return m_url.m_parsed.CountCharactersBefore(url_parse::Parsed::PATH, false);
-
-    url_parse::Component filename;
-    url_parse::ExtractFileName(m_url.utf8String().data(), m_url.m_parsed.path,
-                               &filename);
-    return filename.begin;
-}
-
-const KURL& blankURL()
-{
-    static KURL staticBlankURL(ParsedURLString, "about:blank");
-    return staticBlankURL;
-}
-
-bool protocolIs(const String& url, const char* protocol)
-{
-    // Do the comparison without making a new string object.
-    assertProtocolIsGood(protocol);
-
-    // Check the scheme like GURL does.
-    return url_util::FindAndCompareScheme(url.characters(), url.length(), 
-        protocol, NULL); 
-}
-
-inline bool KURL::protocolIs(const String& string, const char* protocol)
-{
-    return WebCore::protocolIs(string, protocol);
-}
-
-bool protocolHostAndPortAreEqual(const KURL& a, const KURL& b)
-{
-    if (a.parsed().scheme.end() != b.parsed().scheme.end())
-        return false;
-
-    int hostStartA = a.hostStart();
-    int hostLengthA = a.hostEnd() - hostStartA;
-    int hostStartB = b.hostStart();
-    int hostLengthB = b.hostEnd() - b.hostStart();
-    if (hostLengthA != hostLengthB)
-        return false;
-
-    // Check the scheme
-    for (int i = 0; i < a.parsed().scheme.end(); ++i)
-        if (a.string()[i] != b.string()[i])
-            return false;
-    
-    // And the host
-    for (int i = 0; i < hostLengthA; ++i)
-        if (a.string()[hostStartA + i] != b.string()[hostStartB + i])
-            return false;
-    
-    if (a.port() != b.port())
-        return false;
-
-    return true;
-}
-
-} // namespace WebCore
-
-#endif // USE(GOOGLEURL)