Call LayoutFullScreen::updateStyle() when exiting Fullscreen

third_party/WebKit/Source/web/FullscreenController.cpp

 /*
  * Copyright (C) 2013 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 201 matching lines @@
 
       HTMLVideoElement& videoElement = toHTMLVideoElement(*fromElement);
       videoElement.didExitFullscreen();
     }
   }
 }
 
 void FullscreenController::updateSize() {
   DCHECK(m_webViewImpl->page());
 
-  if (m_state != State::Fullscreen)
+  if (m_state != State::Fullscreen && m_state != State::ExitingFullscreen)
     return;
 
   updatePageScaleConstraints(false);
 
   // Traverse all local frames and notify the LayoutFullScreen object, if any.
   for (Frame* frame = m_webViewImpl->page()->mainFrame(); frame;
        frame = frame->tree().traverseNext()) {
     if (!frame->isLocalFrame())
       continue;
     if (Document* document = toLocalFrame(frame)->document()) {
@@ skipping 36 matching lines @@
   // again to ensure the final constraints pick up the latest contents size.
   m_webViewImpl->didChangeContentsSize();
   if (m_webViewImpl->mainFrameImpl() &&
       m_webViewImpl->mainFrameImpl()->frameView())
     m_webViewImpl->mainFrameImpl()->frameView()->setNeedsLayout();
 
   m_webViewImpl->updateMainFrameLayoutSize();
 }
 
 }  // namespace blink