Fire visibilityChange event on out-of-process iframes.

third_party/WebKit/Source/core/page/Page.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All Rights Reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 337 matching lines @@
 {
     static const double waitingTimeBeforeCompressingString = 10;
 
     if (m_visibilityState == visibilityState)
         return;
     m_visibilityState = visibilityState;
 
     if (!isInitialState)
         notifyPageVisibilityChanged();
 
-    if (!isInitialState && m_mainFrame && m_mainFrame->isLocalFrame())
-        deprecatedLocalMainFrame()->didChangeVisibilityState();
+    if (!isInitialState && m_mainFrame)
+        m_mainFrame->didChangeVisibilityState();
 
     // Compress CompressibleStrings when 10 seconds have passed since the page
     // went to background.
     if (m_visibilityState == PageVisibilityStateHidden) {
         if (!m_timerForCompressStrings.isActive())
             m_timerForCompressStrings.startOneShot(waitingTimeBeforeCompressingString, BLINK_FROM_HERE);
     } else if (m_timerForCompressStrings.isActive()) {
         m_timerForCompressStrings.stop();
     }
 }
@@ skipping 203 matching lines @@
 {
 }
 
 Page::PageClients::~PageClients()
 {
 }
 
 template class CORE_TEMPLATE_EXPORT Supplement<Page>;
 
 } // namespace blink