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diff --git a/WebKit/chromium/src/WebDataSourceImpl.cpp b/WebKit/chromium/src/WebDataSourceImpl.cpp
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+++ b/WebKit/chromium/src/WebDataSourceImpl.cpp
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+/*
+ * Copyright (C) 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"
+#include "WebDataSourceImpl.h"
+
+#include "WebURL.h"
+#include "WebURLError.h"
+#include "WebVector.h"
+
+using namespace WebCore;
+
+namespace WebKit {
+
+WebPluginLoadObserver* WebDataSourceImpl::m_nextPluginLoadObserver = 0;
+
+PassRefPtr<WebDataSourceImpl> WebDataSourceImpl::create(const ResourceRequest& request, const SubstituteData& data)
+{
+    return adoptRef(new WebDataSourceImpl(request, data));
+}
+
+const WebURLRequest& WebDataSourceImpl::originalRequest() const
+{
+    m_originalRequestWrapper.bind(DocumentLoader::originalRequest());
+    return m_originalRequestWrapper;
+}
+
+const WebURLRequest& WebDataSourceImpl::request() const
+{
+    m_requestWrapper.bind(DocumentLoader::request());
+    return m_requestWrapper;
+}
+
+const WebURLResponse& WebDataSourceImpl::response() const
+{
+    m_responseWrapper.bind(DocumentLoader::response());
+    return m_responseWrapper;
+}
+
+bool WebDataSourceImpl::hasUnreachableURL() const
+{
+    return !DocumentLoader::unreachableURL().isEmpty();
+}
+
+WebURL WebDataSourceImpl::unreachableURL() const
+{
+    return DocumentLoader::unreachableURL();
+}
+
+void WebDataSourceImpl::redirectChain(WebVector<WebURL>& result) const
+{
+    result.assign(m_redirectChain);
+}
+
+WebString WebDataSourceImpl::pageTitle() const
+{
+    return title();
+}
+
+WebNavigationType WebDataSourceImpl::navigationType() const
+{
+    return toWebNavigationType(triggeringAction().type());
+}
+
+double WebDataSourceImpl::triggeringEventTime() const
+{
+    if (!triggeringAction().event())
+        return 0.0;
+
+    // DOMTimeStamp uses units of milliseconds.
+    return triggeringAction().event()->timeStamp() / 1000.0;
+}
+
+WebDataSource::ExtraData* WebDataSourceImpl::extraData() const
+{
+    return m_extraData.get();
+}
+
+void WebDataSourceImpl::setExtraData(ExtraData* extraData)
+{
+    m_extraData.set(extraData);
+}
+
+WebNavigationType WebDataSourceImpl::toWebNavigationType(NavigationType type)
+{
+    switch (type) {
+    case NavigationTypeLinkClicked:
+        return WebNavigationTypeLinkClicked;
+    case NavigationTypeFormSubmitted:
+        return WebNavigationTypeFormSubmitted;
+    case NavigationTypeBackForward:
+        return WebNavigationTypeBackForward;
+    case NavigationTypeReload:
+        return WebNavigationTypeReload;
+    case NavigationTypeFormResubmitted:
+        return WebNavigationTypeFormResubmitted;
+    case NavigationTypeOther:
+    default:
+        return WebNavigationTypeOther;
+    }
+}
+
+const KURL& WebDataSourceImpl::endOfRedirectChain() const
+{
+    ASSERT(!m_redirectChain.isEmpty());
+    return m_redirectChain.last();
+}
+
+void WebDataSourceImpl::clearRedirectChain()
+{
+    m_redirectChain.clear();
+}
+
+void WebDataSourceImpl::appendRedirect(const KURL& url)
+{
+    m_redirectChain.append(url);
+}
+
+void WebDataSourceImpl::setNextPluginLoadObserver(PassOwnPtr<WebPluginLoadObserver> observer)
+{
+    // This call should always be followed up with the creation of a
+    // WebDataSourceImpl, so we should never leak this object.
+    m_nextPluginLoadObserver = observer.release();
+}
+
+WebDataSourceImpl::WebDataSourceImpl(const ResourceRequest& request, const SubstituteData& data)
+    : DocumentLoader(request, data)
+{
+    if (m_nextPluginLoadObserver) {
+        // When a new frame is created, it initially gets a data source for an
+        // empty document.  Then it is navigated to the source URL of the
+        // frame, which results in a second data source being created.  We want
+        // to wait to attach the WebPluginLoadObserver to that data source.
+        if (!request.url().isEmpty()) {
+            ASSERT(m_nextPluginLoadObserver->url() == request.url());
+            m_pluginLoadObserver.set(m_nextPluginLoadObserver);
+            m_nextPluginLoadObserver = 0;
+        }
+    }
+}
+
+WebDataSourceImpl::~WebDataSourceImpl()
+{
+}
+
+} // namespace WebKit