DevTools: [CSS] Add CSS.editRangeInStyleSheetText() to the protocol

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 186 matching lines @@
     bool setPropertyText(const InspectorCSSId&, unsigned propertyIndex, const String& text, bool overwrite, String* oldPropertyText, ExceptionState&);
 
     virtual TypeBuilder::CSS::StyleSheetOrigin::Enum origin() const { return m_origin; }
     virtual bool getText(String* result) const;
     virtual CSSStyleDeclaration* styleForId(const InspectorCSSId&) const;
     void fireStyleSheetChanged();
     PassRefPtr<TypeBuilder::CSS::SourceRange> ruleHeaderSourceRange(const CSSRule*);
 
     InspectorCSSId ruleId(CSSStyleRule*) const;
     InspectorCSSId styleId(CSSStyleDeclaration* style) const { return ruleOrStyleId(style); }
+    bool lineNumberAndColumnToOffset(unsigned lineNumber, unsigned columnNumber, unsigned* offset) const;
 
 protected:
     InspectorStyleSheet(InspectorPageAgent*, InspectorResourceAgent*, const String& id, PassRefPtr<CSSStyleSheet> pageStyleSheet, TypeBuilder::CSS::StyleSheetOrigin::Enum, const String& documentURL, Listener*);
 
     InspectorCSSId ruleOrStyleId(CSSStyleDeclaration* style) const;
     virtual PassRefPtr<CSSRuleSourceData> ruleSourceDataFor(CSSStyleDeclaration*) const;
     virtual unsigned ruleIndexByStyle(CSSStyleDeclaration*) const;
     virtual unsigned ruleIndexByRule(const CSSRule*) const;
     virtual bool ensureParsedDataReady();
     virtual PassRefPtr<InspectorStyle> inspectorStyleForId(const InspectorCSSId&);
@@ skipping 72 matching lines @@
 
     // Contains "style" attribute value.
     mutable String m_styleText;
     mutable bool m_isStyleTextValid;
 };
 
 
 } // namespace WebCore
 
 #endif // !defined(InspectorStyleSheet_h)