Wait until after layout when restoring scroll on exiting fullscreen.

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 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 4042 matching lines @@
 
     FrameView* view = webframe->frame()->view();
 
     postLayoutResize(webframe);
 
     // Relayout immediately to avoid violating the rule that needsLayout()
     // isn't set at the end of a layout.
     if (view->needsLayout())
         view->layout();
 
+    m_fullscreenController->didUpdateLayout();
+
     m_client->didUpdateLayout();
 }
 
 void WebViewImpl::didChangeContentsSize()
 {
     pageScaleConstraintsSet().didChangeContentsSize(contentsSize(), pageScaleFactor());
 }
 
 void WebViewImpl::pageScaleFactorChanged()
 {
@@ skipping 500 matching lines @@
 {
     // TODO(oshima): Investigate if this should return the ScreenInfo's scale factor rather than
     // page's scale factor, which can be 1 in use-zoom-for-dsf mode.
     if (!page())
         return 1;
 
     return page()->deviceScaleFactor();
 }
 
 } // namespace blink