Refactor fixed layout mode

Source/web/WebDevToolsAgentImpl.cpp

 /*
  * Copyright (C) 2010-2011 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 314 matching lines @@
     }
 
     void applySizeOverrideInternal(FrameView* frameView, FitWindowFlag fitWindowFlag)
     {
         WebSize scrollbarDimensions = forcedScrollbarDimensions(frameView);
 
         WebSize effectiveEmulatedSize = (fitWindowFlag == FitWindowAllowed) ? scaledEmulatedFrameSize(frameView) : m_emulatedFrameSize;
         int overrideWidth = effectiveEmulatedSize.width + scrollbarDimensions.width;
         int overrideHeight = effectiveEmulatedSize.height + scrollbarDimensions.height;
 
-        if (IntSize(overrideWidth, overrideHeight) != frameView->size())
+        if (IntSize(overrideWidth, overrideHeight) != frameView->size()) {
             frameView->resize(overrideWidth, overrideHeight);
 
+            // Since we're resizing the main-frame, we need to resize its layout size too since
+            // main frames' layout sizes are manually managed by WebViewImpl
+            frameView->setLayoutSize(IntSize(overrideWidth, overrideHeight));
+        }
+
         Document* doc = frameView->frame().document();
         doc->styleResolverChanged(RecalcStyleImmediately);
         doc->updateLayout();
     }
 
     WebCore::FrameView* frameView()
     {
         return m_webView->mainFrameImpl() ? m_webView->mainFrameImpl()->frameView() : 0;
     }
 
@@ skipping 412 matching lines @@
         || commandName == InspectorBackendDispatcher::commandNames[InspectorBackendDispatcher::kProfiler_getCPUProfileCmd]
         || commandName == InspectorBackendDispatcher::commandNames[InspectorBackendDispatcher::kHeapProfiler_getHeapSnapshotCmd];
 }
 
 void WebDevToolsAgent::processPendingMessages()
 {
     PageScriptDebugServer::shared().runPendingTasks();
 }
 
 } // namespace WebKit