[DevTools] Use device metrics emulation implemented in content.

Source/core/inspector/InspectorPageAgent.cpp

 /*
  * 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 949 matching lines @@
     m_frontend->javascriptDialogOpening(message);
 }
 
 void InspectorPageAgent::didRunJavaScriptDialog()
 {
     m_frontend->javascriptDialogClosed();
 }
 
 void InspectorPageAgent::applyScreenWidthOverride(long* width)
 {
-    long widthOverride = m_state->getLong(PageAgentState::pageAgentScreenWidthOverride);
-    if (widthOverride)
-        *width = widthOverride;
+    // FIXME: cleanup all references to page agent overrides.

[pfeldman, 2013/09/19 12:46:05]

Do it right away!

 }
 
 bool InspectorPageAgent::shouldApplyScreenWidthOverride()
 {
     long width = 0;
     applyScreenWidthOverride(&width);
     return !!width;
 }
 
 void InspectorPageAgent::applyScreenHeightOverride(long* height)
 {
-    long heightOverride = m_state->getLong(PageAgentState::pageAgentScreenHeightOverride);
-    if (heightOverride)
-        *height = heightOverride;
+    // FIXME: cleanup all references to page agent overrides.

[pfeldman, 2013/09/19 12:46:05]

ditto

 }
 
 bool InspectorPageAgent::shouldApplyScreenHeightOverride()
 {
     long height = 0;
     applyScreenHeightOverride(&height);
     return !!height;
 }
 
 void InspectorPageAgent::didPaint(RenderObject*, GraphicsContext* context, const LayoutRect& rect)
@@ skipping 288 matching lines @@
 }
 
 void InspectorPageAgent::setShowViewportSizeOnResize(ErrorString*, bool show, const bool* showGrid)
 {
     m_state->setBoolean(PageAgentState::showSizeOnResize, show);
     m_state->setBoolean(PageAgentState::showGridOnResize, showGrid && *showGrid);
 }
 
 } // namespace WebCore