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diff --git a/Source/WebCore/inspector/InspectorStyleSheet.h b/Source/WebCore/inspector/InspectorStyleSheet.h
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+/*
+ * Copyright (C) 2010, 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:
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.
+ */
+
+#ifndef InspectorStyleSheet_h
+#define InspectorStyleSheet_h
+
+#include "CSSPropertySourceData.h"
+#include "InspectorValues.h"
+#include "PlatformString.h"
+
+#include <wtf/HashMap.h>
+#include <wtf/HashSet.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefPtr.h>
+#include <wtf/Vector.h>
+
+class ParsedStyleSheet;
+
+namespace WebCore {
+
+class CSSRuleList;
+class CSSStyleDeclaration;
+class CSSStyleSheet;
+class Document;
+class Element;
+class InspectorStyleSheet;
+class Node;
+
+#if ENABLE(INSPECTOR)
+
+class InspectorCSSId {
+public:
+    InspectorCSSId() { }
+
+    explicit InspectorCSSId(RefPtr<InspectorObject> value)
+    {
+        if (!value->getString("styleSheetId", &m_styleSheetId))
+            return;
+        
+        RefPtr<InspectorValue> ordinalValue = value->get("ordinal");
+        if (!ordinalValue || !ordinalValue->asNumber(&m_ordinal))
+            m_styleSheetId = "";
+    }
+
+    InspectorCSSId(const String& styleSheetId, unsigned ordinal)
+        : m_styleSheetId(styleSheetId)
+        , m_ordinal(ordinal)
+    {
+    }
+
+    bool isEmpty() const { return m_styleSheetId.isEmpty(); }
+
+    const String& styleSheetId() const { return m_styleSheetId; }
+    unsigned ordinal() const { return m_ordinal; }
+
+    PassRefPtr<InspectorValue> asInspectorValue() const
+    {
+        if (isEmpty())
+            return InspectorValue::null();
+
+        RefPtr<InspectorObject> result = InspectorObject::create();
+        result->setString("styleSheetId", m_styleSheetId);
+        result->setNumber("ordinal", m_ordinal);
+        return result.release();
+    }
+
+private:
+    String m_styleSheetId;
+    unsigned m_ordinal;
+};
+
+struct InspectorStyleProperty {
+    InspectorStyleProperty()
+    {
+    }
+
+    InspectorStyleProperty(CSSPropertySourceData sourceData, bool hasSource, bool disabled)
+        : sourceData(sourceData)
+        , hasSource(hasSource)
+        , disabled(disabled)
+    {
+    }
+
+    void setRawTextFromStyleDeclaration(const String& styleDeclaration)
+    {
+        unsigned start = sourceData.range.start;
+        unsigned end = sourceData.range.end;
+        ASSERT(start < end);
+        ASSERT(end <= styleDeclaration.length());
+        rawText = styleDeclaration.substring(start, end - start);
+    }
+
+    bool hasRawText() const { return !rawText.isEmpty(); }
+
+    CSSPropertySourceData sourceData;
+    bool hasSource;
+    bool disabled;
+    String rawText;
+};
+
+class InspectorStyle : public RefCounted<InspectorStyle> {
+public:
+    static PassRefPtr<InspectorStyle> create(const InspectorCSSId& styleId, PassRefPtr<CSSStyleDeclaration> style, InspectorStyleSheet* parentStyleSheet);
+    virtual ~InspectorStyle();
+
+    CSSStyleDeclaration* cssStyle() const { return m_style.get(); }
+    PassRefPtr<InspectorObject> buildObjectForStyle() const;
+    bool hasDisabledProperties() const { return !m_disabledProperties.isEmpty(); }
+    bool setPropertyText(unsigned index, const String& text, bool overwrite);
+    bool toggleProperty(unsigned index, bool disable);
+
+private:
+    InspectorStyle(const InspectorCSSId& styleId, PassRefPtr<CSSStyleDeclaration> style, InspectorStyleSheet* parentStyleSheet);
+
+    static unsigned disabledIndexByOrdinal(unsigned ordinal, bool canUseSubsequent, Vector<InspectorStyleProperty>& allProperties);
+
+    bool styleText(String* result) const;
+    bool disableProperty(unsigned indexToDisable, Vector<InspectorStyleProperty>& allProperties);
+    bool enableProperty(unsigned indexToEnable, Vector<InspectorStyleProperty>& allProperties);
+    bool populateAllProperties(Vector<InspectorStyleProperty>* result) const;
+    void populateObjectWithStyleProperties(InspectorObject* result) const;
+    void shiftDisabledProperties(unsigned fromIndex, long offset);
+    bool replacePropertyInStyleText(const InspectorStyleProperty& property, const String& newText);
+    String shorthandValue(const String& shorthandProperty) const;
+    String shorthandPriority(const String& shorthandProperty) const;
+    Vector<String> longhandProperties(const String& shorthandProperty) const;
+
+    InspectorCSSId m_styleId;
+    RefPtr<CSSStyleDeclaration> m_style;
+    InspectorStyleSheet* m_parentStyleSheet;
+    Vector<InspectorStyleProperty> m_disabledProperties;
+};
+
+class InspectorStyleSheet : public RefCounted<InspectorStyleSheet> {
+public:
+    typedef HashMap<CSSStyleDeclaration*, RefPtr<InspectorStyle> > InspectorStyleMap;
+    static PassRefPtr<InspectorStyleSheet> create(const String& id, PassRefPtr<CSSStyleSheet> pageStyleSheet, const String& origin, const String& documentURL);
+
+    virtual ~InspectorStyleSheet();
+
+    String id() const { return m_id; }
+    String finalURL() const;
+    CSSStyleSheet* pageStyleSheet() const { return m_pageStyleSheet.get(); }
+    void reparseStyleSheet(const String&);
+    bool setText(const String&);
+    bool setRuleSelector(const InspectorCSSId&, const String& selector);
+    CSSStyleRule* addRule(const String& selector);
+    CSSStyleRule* ruleForId(const InspectorCSSId&) const;
+    PassRefPtr<InspectorObject> buildObjectForStyleSheet();
+    PassRefPtr<InspectorObject> buildObjectForRule(CSSStyleRule*);
+    PassRefPtr<InspectorObject> buildObjectForStyle(CSSStyleDeclaration*);
+    bool setPropertyText(const InspectorCSSId&, unsigned propertyIndex, const String& text, bool overwrite);
+    bool toggleProperty(const InspectorCSSId&, unsigned propertyIndex, bool disable);
+
+    virtual bool text(String* result) const;
+    virtual CSSStyleDeclaration* styleForId(const InspectorCSSId&) const;
+
+protected:
+    InspectorStyleSheet(const String& id, PassRefPtr<CSSStyleSheet> pageStyleSheet, const String& origin, const String& documentURL);
+
+    bool canBind() const { return m_origin != "userAgent" && m_origin != "user"; }
+    InspectorCSSId ruleOrStyleId(CSSStyleDeclaration* style) const;
+    virtual Document* ownerDocument() const;
+    virtual RefPtr<CSSRuleSourceData> ruleSourceDataFor(CSSStyleDeclaration* style) const;
+    virtual unsigned ruleIndexByStyle(CSSStyleDeclaration*) const;
+    virtual bool ensureParsedDataReady();
+    virtual PassRefPtr<InspectorStyle> inspectorStyleForId(const InspectorCSSId&);
+    virtual void rememberInspectorStyle(RefPtr<InspectorStyle> inspectorStyle);
+    virtual void forgetInspectorStyle(CSSStyleDeclaration* style);
+
+    // Also accessed by friend class InspectorStyle.
+    virtual bool setStyleText(CSSStyleDeclaration*, const String&);
+
+private:
+    static void fixUnparsedPropertyRanges(CSSRuleSourceData* ruleData, const String& styleSheetText);
+    static void collectFlatRules(PassRefPtr<CSSRuleList>, Vector<CSSStyleRule*>* result);
+    bool ensureText() const;
+    bool ensureSourceData();
+    void ensureFlatRules() const;
+    bool styleSheetTextWithChangedStyle(CSSStyleDeclaration*, const String& newStyleText, String* result);
+    InspectorCSSId ruleId(CSSStyleRule* rule) const;
+    InspectorCSSId styleId(CSSStyleDeclaration* style) const { return ruleOrStyleId(style); }
+    void revalidateStyle(CSSStyleDeclaration*);
+    bool originalStyleSheetText(String* result) const;
+    bool resourceStyleSheetText(String* result) const;
+    bool inlineStyleSheetText(String* result) const;
+    PassRefPtr<InspectorArray> buildArrayForRuleList(CSSRuleList*);
+
+    String m_id;
+    RefPtr<CSSStyleSheet> m_pageStyleSheet;
+    String m_origin;
+    String m_documentURL;
+    bool m_isRevalidating;
+    ParsedStyleSheet* m_parsedStyleSheet;
+    InspectorStyleMap m_inspectorStyles;
+    mutable Vector<CSSStyleRule*> m_flatRules;
+
+    friend class InspectorStyle;
+};
+
+class InspectorStyleSheetForInlineStyle : public InspectorStyleSheet {
+public:
+    static PassRefPtr<InspectorStyleSheetForInlineStyle> create(const String& id, PassRefPtr<Element> element, const String& origin);
+
+    void didModifyElementAttribute();
+    virtual bool text(String* result) const;
+    virtual CSSStyleDeclaration* styleForId(const InspectorCSSId& id) const { ASSERT_UNUSED(id, !id.ordinal()); return inlineStyle(); }
+
+protected:
+    InspectorStyleSheetForInlineStyle(const String& id, PassRefPtr<Element> element, const String& origin);
+
+    virtual Document* ownerDocument() const;
+    virtual RefPtr<CSSRuleSourceData> ruleSourceDataFor(CSSStyleDeclaration* style) const { ASSERT_UNUSED(style, style == inlineStyle()); return m_ruleSourceData; }
+    virtual unsigned ruleIndexByStyle(CSSStyleDeclaration*) const { return 0; }
+    virtual bool ensureParsedDataReady();
+    virtual PassRefPtr<InspectorStyle> inspectorStyleForId(const InspectorCSSId&);
+    virtual void rememberInspectorStyle(RefPtr<InspectorStyle>) { }
+    virtual void forgetInspectorStyle(CSSStyleDeclaration*) { }
+
+    // Also accessed by friend class InspectorStyle.
+    virtual bool setStyleText(CSSStyleDeclaration*, const String&);
+
+private:
+    CSSStyleDeclaration* inlineStyle() const;
+    bool getStyleAttributeRanges(RefPtr<CSSStyleSourceData>* result);
+
+    RefPtr<Element> m_element;
+    RefPtr<CSSRuleSourceData> m_ruleSourceData;
+    RefPtr<InspectorStyle> m_inspectorStyle;
+
+    // Contains "style" attribute value and should always be up-to-date.
+    String m_styleText;
+};
+
+#endif
+
+} // namespace WebCore
+
+#endif // !defined(InspectorStyleSheet_h)