[DevTools] Cleanup inspector overlay and make it work with virtual viewport.

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 380 matching lines @@
         bool continuousPaintingEnabled = m_state->getBoolean(PageAgentState::pageAgentContinuousPaintingEnabled);
         setContinuousPaintingEnabled(0, continuousPaintingEnabled);
         bool showScrollBottleneckRects = m_state->getBoolean(PageAgentState::pageAgentShowScrollBottleneckRects);
         setShowScrollBottleneckRects(0, showScrollBottleneckRects);
 
         updateViewMetricsFromState();
         updateTouchEventEmulationInPage(m_state->getBoolean(PageAgentState::touchEventEmulationEnabled));
     }
 }
 
-void InspectorPageAgent::webViewResized(const IntSize& size)
-{
-    int currentWidth = static_cast<int>(m_state->getLong(PageAgentState::pageAgentScreenWidthOverride));
-    m_overlay->resize(currentWidth ? size : IntSize());
-}
-
 void InspectorPageAgent::enable(ErrorString*)
 {
     m_enabled = true;
     m_state->setBoolean(PageAgentState::pageAgentEnabled, true);
     m_instrumentingAgents->setInspectorPageAgent(this);
 }
 
 void InspectorPageAgent::disable(ErrorString*)
 {
     m_enabled = false;
@@ skipping 845 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