Move Frame to the Oilpan heap.

Source/core/page/Page.cpp

Index: Source/core/page/Page.cpp
diff --git a/Source/core/page/Page.cpp b/Source/core/page/Page.cpp
index 7c6971aaecf294edacbc809ad06ec60b0df48502..b107c03954640e1f5971550d9c98b343eba80ae6 100644
--- a/Source/core/page/Page.cpp
+++ b/Source/core/page/Page.cpp
@@ -82,7 +82,7 @@ HashSet<Page*>& Page::ordinaryPages()
 
 void Page::networkStateChanged(bool online)
 {
-    Vector<RefPtr<LocalFrame> > frames;
+    WillBeHeapVector<RefPtrWillBeMember<LocalFrame> > frames;
 
     // Get all the frames of all the pages in all the page groups
     HashSet<Page*>::iterator end = allPages().end();
@@ -264,7 +264,7 @@ void Page::refreshPlugins(bool reload)
 
     PluginData::refresh();
 
-    Vector<RefPtr<LocalFrame> > framesNeedingReload;
+    WillBeHeapVector<RefPtrWillBeMember<LocalFrame> > framesNeedingReload;
 
     HashSet<Page*>::iterator end = allPages().end();
     for (HashSet<Page*>::iterator it = allPages().begin(); it != end; ++it) {
@@ -566,7 +566,7 @@ void Page::didCommitLoad(LocalFrame* frame)
 
 void Page::acceptLanguagesChanged()
 {
-    Vector< RefPtr<LocalFrame> > frames;
+    WillBeHeapVector<RefPtrWillBeMember<LocalFrame> > frames;
 
     // Even though we don't fire an event from here, the LocalDOMWindow's will fire
     // an event so we keep the frames alive until we are done.
@@ -594,6 +594,7 @@ void Page::trace(Visitor* visitor)
 #if ENABLE(OILPAN)
     visitor->trace(m_dragCaretController);
     visitor->trace(m_dragController);
+    visitor->trace(m_focusController);
     visitor->trace(m_contextMenuController);
     visitor->trace(m_inspectorController);
     visitor->trace(m_pointerLockController);
@@ -608,7 +609,7 @@ void Page::trace(Visitor* visitor)
 
 void Page::willBeDestroyed()
 {
-    RefPtr<Frame> mainFrame = m_mainFrame;
+    RefPtrWillBeRawPtr<Frame> mainFrame = m_mainFrame;
 
     mainFrame->detach();
 
@@ -634,9 +635,13 @@ void Page::willBeDestroyed()
 #endif
 
     m_chrome->willBeDestroyed();
-    m_mainFrame = 0;
     if (m_validationMessageClient)
         m_validationMessageClient->willBeDestroyed();
+#if ENABLE(OILPAN)
+    if (mainFrame)
+        mainFrame->willBeDestroyed();
+#endif
+    m_mainFrame = 0;
 }
 
 Page::PageClients::PageClients()