[oilpan] Don't notify CachedResourceClients of cancel events when detaching the frame.

Source/core/loader/FrameLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com>
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ skipping 206 matching lines @@
     , m_isComplete(false)
     , m_needsClear(false)
     , m_checkTimer(this, &FrameLoader::checkTimerFired)
     , m_shouldCallCheckCompleted(false)
     , m_shouldCallCheckLoadComplete(false)
     , m_opener(0)
     , m_didAccessInitialDocument(false)
     , m_didAccessInitialDocumentTimer(this, &FrameLoader::didAccessInitialDocumentTimerFired)
     , m_suppressOpenerInNewFrame(false)
     , m_forcedSandboxFlags(SandboxNone)
+    , m_frameDetaching(false)
 {
 }
 
 FrameLoader::~FrameLoader()
 {
     setOpener(0);
 
     HashSet<Frame*>::iterator end = m_openedFrames.end();
     for (HashSet<Frame*>::iterator it = m_openedFrames.begin(); it != end; ++it)
         (*it)->loader()->m_opener = 0;
@@ skipping 1848 matching lines @@
 }
 
 void FrameLoader::handledOnloadEvents()
 {
     m_client->dispatchDidHandleOnloadEvents();
 
     if (documentLoader())
         documentLoader()->handledOnloadEvents();
 }
 
+bool FrameLoader::isFrameDetaching()
+{
+    return m_frameDetaching;
+}
+
 void FrameLoader::frameDetached()
 {
+    m_frameDetaching = true;
     // stopAllLoaders can detach the Frame, so protect it.
     RefPtr<Frame> protect(m_frame);
     stopAllLoaders();
     m_frame->document()->stopActiveDOMObjects();
     detachFromParent();
 }
 
 void FrameLoader::detachFromParent()
 {
     // stopAllLoaders can detach the Frame, so protect it.
@@ skipping 951 matching lines @@
     FloatRect newWindowRect = DOMWindow::adjustWindowRect(page, windowRect);
 
     page->chrome()->setWindowRect(newWindowRect);
     page->chrome()->show();
 
     created = true;
     return frame;
 }
 
 } // namespace WebCore