DevTools: do not use range indices outside of InspectorStyleSheet.

Source/core/inspector/InspectorStyleSheet.h

 /*
  * 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
@@ skipping 157 matching lines @@
 public:
     static PassRefPtrWillBeRawPtr<InspectorStyleSheet> create(InspectorResourceAgent*, const String& id, PassRefPtrWillBeRawPtr<CSSStyleSheet> pageStyleSheet, TypeBuilder::CSS::StyleSheetOrigin::Enum, const String& documentURL, InspectorCSSAgent*);
 
     virtual ~InspectorStyleSheet();
     DECLARE_VIRTUAL_TRACE();
 
     String finalURL() const;
     virtual Document* ownerDocument() const override;
     virtual bool setText(const String&, ExceptionState&) override;
     virtual bool getText(String* result) const override;
-    String ruleSelector(unsigned ruleIndex, ExceptionState&);
-    bool setRuleSelector(unsigned ruleIndex, const String& selector, ExceptionState&);
-    String mediaRuleText(unsigned ruleIndex, ExceptionState&);
-    bool setMediaRuleText(unsigned ruleIndex, const String& text, ExceptionState&);
-    CSSStyleRule* addRule(const String& ruleText, const SourceRange& location, ExceptionState&);
-    bool deleteRule(unsigned ruleIndex, const String& oldText, ExceptionState&);
+    CSSStyleRule* setRuleSelector(const SourceRange&, const String& selector, SourceRange* newRange, String* oldSelector, ExceptionState&);
+    CSSMediaRule* setMediaRuleText(const SourceRange&, const String& selector, SourceRange* newRange, String* oldSelector, ExceptionState&);
+    CSSStyleRule* addRule(const String& ruleText, const SourceRange& location, SourceRange* addedRange, ExceptionState&);
+    bool deleteRule(const SourceRange&, ExceptionState&);
 
     CSSStyleSheet* pageStyleSheet() const { return m_pageStyleSheet.get(); }
 
     PassRefPtr<TypeBuilder::CSS::CSSStyleSheetHeader> buildObjectForStyleSheetInfo() const;
     PassRefPtr<TypeBuilder::CSS::CSSRule> buildObjectForRule(CSSStyleRule*, PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSMedia> >);
 
     PassRefPtr<TypeBuilder::CSS::SourceRange> ruleHeaderSourceRange(const CSSRule*);
     PassRefPtr<TypeBuilder::CSS::SourceRange> mediaQueryExpValueSourceRange(const CSSRule*, size_t mediaQueryIndex, size_t mediaQueryExpIndex);
 
     unsigned indexOf(CSSStyleRule*) const;
     CSSStyleRule* ruleAt(unsigned ruleIndex) const;
     CSSMediaRule* mediaRuleAt(unsigned ruleIndex) const;
 
     virtual unsigned indexOf(CSSStyleDeclaration*) const override;
     virtual CSSStyleDeclaration* styleAt(unsigned ruleIndex) const override;
     virtual bool setStyleText(unsigned ruleIndex, const String&) override;
 
-    bool findRuleBySelectorRange(const SourceRange&, unsigned* ruleIndex);
-    bool findMediaRuleByRange(const SourceRange&, unsigned* ruleIndex);
-
     const CSSRuleVector& flatRules();
 
 protected:
     virtual PassRefPtrWillBeRawPtr<InspectorStyle> inspectorStyleAt(unsigned ruleIndex) override;
     virtual unsigned ruleCount() override;
 
     // Also accessed by friend class InspectorStyle.
     virtual PassRefPtrWillBeRawPtr<CSSRuleSourceData> ruleSourceDataAt(unsigned) const override;
     virtual bool ensureParsedDataReady() override;
 
 private:
     InspectorStyleSheet(InspectorResourceAgent*, const String& id, PassRefPtrWillBeRawPtr<CSSStyleSheet> pageStyleSheet, TypeBuilder::CSS::StyleSheetOrigin::Enum, const String& documentURL, InspectorCSSAgent*);
     unsigned ruleIndexBySourceRange(const CSSMediaRule* parentMediaRule, const SourceRange&);
+    bool findRuleByHeaderRange(const SourceRange&, CSSRule**, CSSRuleSourceData**);
     CSSStyleRule* insertCSSOMRuleInStyleSheet(const SourceRange&, const String& ruleText, ExceptionState&);
     CSSStyleRule* insertCSSOMRuleInMediaRule(CSSMediaRule*, const SourceRange&, const String& ruleText, ExceptionState&);
     CSSStyleRule* insertCSSOMRuleBySourceRange(const SourceRange&, const String& ruleText, ExceptionState&);
     bool verifyRuleText(const String& ruleText);
     bool verifySelectorText(const String& selectorText);
     bool verifyMediaText(const String& mediaText);
     String sourceMapURL() const;
     String sourceURL() const;
     bool ensureText() const;
     void ensureFlatRules() const;
     bool styleSheetTextWithChangedStyle(CSSStyleDeclaration*, const String& newStyleText, String* result);
     bool originalStyleSheetText(String* result) const;
     bool resourceStyleSheetText(String* result) const;
     bool inlineStyleSheetText(String* result) const;
     PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::Selector> > selectorsFromSource(const CSSRuleSourceData*, const String&);
     PassRefPtr<TypeBuilder::CSS::SelectorList> buildObjectForSelectorList(CSSStyleRule*);
     String url() const;
     bool hasSourceURL() const;
     bool startsAtZero() const;
 
-    void updateText(const String& newText);
+    void replaceText(const SourceRange&, const String& text, SourceRange* newRange, String* oldText);
+    void innerSetText(const String& newText);
     Element* ownerStyleElement() const;
 
     RawPtrWillBeMember<InspectorCSSAgent> m_cssAgent;
     RawPtrWillBeMember<InspectorResourceAgent> m_resourceAgent;
     RefPtrWillBeMember<CSSStyleSheet> m_pageStyleSheet;
     TypeBuilder::CSS::StyleSheetOrigin::Enum m_origin;
     String m_documentURL;
     OwnPtrWillBeMember<ParsedStyleSheet> m_parsedStyleSheet;
     mutable CSSRuleVector m_flatRules;
     mutable String m_sourceURL;
@@ skipping 36 matching lines @@
     mutable String m_styleText;
     mutable bool m_isStyleTextValid;
 };
 
 
 } // namespace blink
 
 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::InspectorStyleProperty);
 
 #endif // !defined(InspectorStyleSheet_h)