Move Frame to the Oilpan heap.

Source/core/page/ScopedPageLoadDeferrer.cpp

 /*
  * Copyright (C) 2006, 2007, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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,
@@ skipping 44 matching lines @@
         }
     }
 
     size_t count = m_deferredFrames.size();
     for (size_t i = 0; i < count; ++i) {
         if (Page* page = m_deferredFrames[i]->page())
             page->setDefersLoading(true);
     }
 }
 
-ScopedPageLoadDeferrer::~ScopedPageLoadDeferrer()
+void ScopedPageLoadDeferrer::detach()
 {
     for (size_t i = 0; i < m_deferredFrames.size(); ++i) {
         if (Page* page = m_deferredFrames[i]->page()) {
             page->setDefersLoading(false);
 
             for (Frame* frame = page->mainFrame(); frame; frame = frame->tree().traverseNext()) {
                 if (frame->isLocalFrame())
                     toLocalFrame(frame)->document()->resumeScheduledTasks();
             }
         }
     }
 }
 
+#if ENABLE(OILPAN)
+void ScopedPageLoadDeferrer::dispose()
+{
+    detach();
+    m_deferredFrames.clear();
+}
+#endif
+
+ScopedPageLoadDeferrer::~ScopedPageLoadDeferrer()
+{
+    detach();

[Mads Ager (chromium), 2014/09/03 10:07:54]

#if !ENABLE(OILPAN) to make it clear that detach should not happen in the
destructor when moving to Oilpan?

+}
+
+void ScopedPageLoadDeferrer::trace(Visitor* visitor)
+{
+#if ENABLE(OILPAN)
+    visitor->trace(m_deferredFrames);
+#endif
+}
+
 } // namespace blink