[DevTools] Use device metrics emulation implemented in content.

Source/web/WebDevToolsAgentImpl.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:
  *
  *     * 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 36 matching lines @@
 class FrameView;
 class GraphicsContext;
 class InspectorClient;
 class InspectorController;
 class Node;
 class PlatformKeyboardEvent;
 }
 
 namespace WebKit {
 
-class DeviceMetricsSupport;
 class WebDevToolsAgentClient;
 class WebFrame;
 class WebFrameImpl;
 class WebString;
 class WebURLRequest;
 class WebURLResponse;
 class WebViewImpl;
 struct WebMemoryUsageInfo;
 struct WebURLError;
 struct WebDevToolsMessageData;
 
 class WebDevToolsAgentImpl : public WebDevToolsAgentPrivate,
                              public WebCore::InspectorClient,
                              public WebCore::InspectorFrontendChannel,
                              public WebPageOverlay,
                              private WebThread::TaskObserver {
 public:
     WebDevToolsAgentImpl(WebViewImpl* webViewImpl, WebDevToolsAgentClient* client);
     virtual ~WebDevToolsAgentImpl();
 
     // WebDevToolsAgentPrivate implementation.
     virtual void didCreateScriptContext(WebFrameImpl*, int worldId);
-    virtual void mainFrameViewCreated(WebFrameImpl*);
-    virtual bool metricsOverridden();
     virtual void webViewResized(const WebSize&);
     virtual bool handleInputEvent(WebCore::Page*, const WebInputEvent&);
 
     // WebDevToolsAgent implementation.
     virtual void attach();
     virtual void reattach(const WebString& savedState);
     virtual void detach();
     virtual void didNavigate();
     virtual void didBeginFrame();
     virtual void didCancelFrame();
     virtual void willComposite();
     virtual void didComposite();
     virtual void dispatchOnInspectorBackend(const WebString& message);
     virtual void inspectElementAt(const WebPoint& point);
     virtual void evaluateInWebInspector(long callId, const WebString& script);
     virtual void setProcessId(long);
     virtual void setLayerTreeId(int);
 
     // InspectorClient implementation.
     virtual void highlight();
     virtual void hideHighlight();
     virtual void updateInspectorStateCookie(const WTF::String&);
     virtual bool sendMessageToFrontend(const WTF::String&);
 
     virtual void clearBrowserCache();
     virtual void clearBrowserCookies();
 
     virtual void overrideDeviceMetrics(int width, int height, float fontScaleFactor, bool fitWindow);
-    virtual void autoZoomPageToFitWidth();
 
     virtual void getAllocatedObjects(HashSet<const void*>&);
     virtual void dumpUncountedAllocatedObjects(const HashMap<const void*, size_t>&);
     virtual void setTraceEventCallback(TraceEventCallback);
 
     virtual void dispatchKeyEvent(const WebCore::PlatformKeyboardEvent&);
     virtual void dispatchMouseEvent(const WebCore::PlatformMouseEvent&);
 
     int hostId() { return m_hostId; }
 
     // WebPageOverlay
     virtual void paintPageOverlay(WebCanvas*);
 
 private:
     // WebThread::TaskObserver
     virtual void willProcessTask();
     virtual void didProcessTask();
 
     WebCore::InspectorController* inspectorController();
     WebCore::Frame* mainFrame();
 
     int m_hostId;
     WebDevToolsAgentClient* m_client;
     WebViewImpl* m_webViewImpl;
     bool m_attached;
-    OwnPtr<DeviceMetricsSupport> m_metricsSupport;
+    bool m_deviceMetricsEnabled;
+    bool m_isOverlayScrollbarsEnabled;
 };
 
 } // namespace WebKit
 
 #endif