[DevTools] Cleanup after reversing emulation flow.

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 109 matching lines @@
     void resetScrollAndPageScaleFactor() override;
     float minimumPageScaleFactor() override;
     float maximumPageScaleFactor() override;
     void setPageScaleFactor(float) override;
     bool overridesShowPaintRects() override;
     void setShowPaintRects(bool) override;
     void setShowDebugBorders(bool) override;
     void setShowFPSCounter(bool) override;
     void setContinuousPaintingEnabled(bool) override;
     void setShowScrollBottleneckRects(bool) override;
-    void setDeviceMetricsOverride(int width, int height, float deviceScaleFactor, bool mobile, bool fitWindow, float scale, float offsetX, float offsetY) override;
-    void clearDeviceMetricsOverride() override;
     void setTouchEventEmulationEnabled(bool) override;
 
     // InspectorTracingAgent::Client implementation.
     void enableTracing(const WTF::String& categoryFilter) override;
     void disableTracing() override;
 
     // PageRuntimeAgent::Client implementation.
     void resumeStartup() override;
 
     // InspectorFrontendChannel implementation.
@@ skipping 44 matching lines @@
     typedef Vector<RefPtr<JSONObject> > NotificationQueue;
     NotificationQueue m_notificationQueue;
     String m_stateCookie;
 
     friend class DebuggerTask;
 };
 
 } // namespace blink
 
 #endif