DevTools: [CSS] remove getAllStylesheets method from protocol

Source/core/inspector/InspectorCSSAgent.h

Index: Source/core/inspector/InspectorCSSAgent.h
diff --git a/Source/core/inspector/InspectorCSSAgent.h b/Source/core/inspector/InspectorCSSAgent.h
index 5fcf5cd137d1fc31729dbf5e4034fe690ca253c5..6d254928031c89351679b9bfcea4bf459200b2cb 100644
--- a/Source/core/inspector/InspectorCSSAgent.h
+++ b/Source/core/inspector/InspectorCSSAgent.h
@@ -137,7 +137,6 @@ public:
     virtual void getPlatformFontsForNode(ErrorString*, int nodeId, String* cssFamilyName, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::PlatformFontUsage> >&) OVERRIDE;
     virtual void getInlineStylesForNode(ErrorString*, int nodeId, RefPtr<TypeBuilder::CSS::CSSStyle>& inlineStyle, RefPtr<TypeBuilder::CSS::CSSStyle>& attributes) OVERRIDE;
     virtual void getMatchedStylesForNode(ErrorString*, int nodeId, const bool* includePseudo, const bool* includeInherited, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::RuleMatch> >& matchedCSSRules, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::PseudoIdMatches> >&, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::InheritedStyleEntry> >& inheritedEntries) OVERRIDE;
-    virtual void getAllStyleSheets(ErrorString*, RefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSStyleSheetHeader> >& styleSheetInfos) OVERRIDE;
     virtual void getStyleSheet(ErrorString*, const String& styleSheetId, RefPtr<TypeBuilder::CSS::CSSStyleSheetBody>& result) OVERRIDE;
     virtual void getStyleSheetText(ErrorString*, const String& styleSheetId, String* result) OVERRIDE;
     virtual void setStyleSheetText(ErrorString*, const String& styleSheetId, const String& text) OVERRIDE;