[DevTools] Switch from DIP to CSS pixels in device mode.

Source/core/inspector/InspectorPageAgent.h

 /*
  * Copyright (C) 2011 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
@@ skipping 144 matching lines @@
     String createIdentifier();
     LocalFrame* frameForId(const String& frameId);
     String frameId(LocalFrame*);
     bool hasIdForFrame(LocalFrame*) const;
     String loaderId(DocumentLoader*);
     LocalFrame* findFrameWithSecurityOrigin(const String& originRawString);
     LocalFrame* assertFrame(ErrorString*, const String& frameId);
     String scriptPreprocessorSource() { return m_scriptPreprocessorSource; }
     const AtomicString& resourceSourceMapURL(const String& url);
     bool deviceMetricsOverrideEnabled();
+    void deviceOrPageScaleFactorChanged();
     static DocumentLoader* assertDocumentLoader(ErrorString*, LocalFrame*);
     InspectorResourceContentLoader* resourceContentLoader() { return m_inspectorResourceContentLoader.get(); }
     void clearEditedResourcesContent();
     void addEditedResourceContent(const String& url, const String& content);
     bool getEditedResourceContent(const String& url, String* content);
 
 private:
     class GetResourceContentLoadListener;
 
     InspectorPageAgent(Page*, InjectedScriptManager*, InspectorClient*, InspectorOverlay*);
     bool deviceMetricsChanged(bool enabled, int width, int height, double deviceScaleFactor, bool emulateViewport, bool fitWindow, double scale, double offsetX, double offsetY, double fontScaleFactor, bool textAutosizing);
     void updateViewMetricsFromState();
     void updateViewMetrics(bool enabled, int width, int height, double deviceScaleFactor, bool emulateViewport, bool fitWindow, double scale, double offsetX, double offsetY, double fontScaleFactor, bool textAutosizingEnabled);
     void updateTouchEventEmulationInPage(bool);
     bool compositingEnabled(ErrorString*);
 
     void getResourceContentAfterResourcesContentLoaded(const String& frameId, const String& url, PassRefPtr<GetResourceContentCallback>);
 
     static bool dataContent(const char* data, unsigned size, const String& textEncodingName, bool withBase64Encode, String* result);
 
+    void viewportChanged();
+
     PassRefPtr<TypeBuilder::Page::Frame> buildObjectForFrame(LocalFrame*);
     PassRefPtr<TypeBuilder::Page::FrameResourceTree> buildObjectForFrameTree(LocalFrame*);
     Page* m_page;
     InjectedScriptManager* m_injectedScriptManager;
     InspectorClient* m_client;
     InspectorFrontend::Page* m_frontend;
     InspectorOverlay* m_overlay;
     long m_lastScriptIdentifier;
     String m_pendingScriptToEvaluateOnLoadOnce;
     String m_scriptToEvaluateOnLoadOnce;
@@ skipping 17 matching lines @@
 
     OwnPtr<InspectorResourceContentLoader> m_inspectorResourceContentLoader;
     HashMap<String, String> m_editedResourceContent;
 };
 
 
 } // namespace WebCore
 
 
 #endif // !defined(InspectorPagerAgent_h)