Oilpan: Move FrameLoaderClient class hierarchy into Oilpan heap.

Source/web/FrameLoaderClientImpl.h

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2011 Apple 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.
@@ skipping 27 matching lines @@
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefPtr.h"
 
 namespace blink {
 
 class WebLocalFrameImpl;
 class WebPluginLoadObserver;
 
 class FrameLoaderClientImpl final : public FrameLoaderClient {
 public:
-    explicit FrameLoaderClientImpl(WebLocalFrameImpl* webFrame);
+    static PassOwnPtrWillBeRawPtr<FrameLoaderClientImpl> create(WebLocalFrameImpl*);
+
     ~FrameLoaderClientImpl() override;
 
-    WebLocalFrameImpl* webFrame() const { return m_webFrame; }
+    DECLARE_VIRTUAL_TRACE();
+
+    WebLocalFrameImpl* webFrame() const { return m_webFrame.get(); }
 
     // FrameLoaderClient ----------------------------------------------
 
     void didCreateNewDocument() override;
     // Notifies the WebView delegate that the JS window object has been cleared,
     // giving it a chance to bind native objects to the window before script
     // parsing begins.
     void dispatchDidClearWindowObjectInMainWorld() override;
     void documentElementAvailable() override;
 
@@ skipping 111 matching lines @@
 
     PassOwnPtr<WebApplicationCacheHost> createApplicationCacheHost(WebApplicationCacheHostClient*) override;
 
     void didStopAllLoaders() override;
 
     void dispatchDidChangeManifest() override;
 
     unsigned backForwardLength() override;
 
     void suddenTerminationDisablerChanged(bool present, SuddenTerminationDisablerType) override;
+
 private:
+    explicit FrameLoaderClientImpl(WebLocalFrameImpl*);
+
     bool isFrameLoaderClientImpl() const override { return true; }
 
     PassOwnPtr<WebPluginLoadObserver> pluginLoadObserver(DocumentLoader*);
 
     // The WebFrame that owns this object and manages its lifetime. Therefore,
     // the web frame object is guaranteed to exist.
-    WebLocalFrameImpl* m_webFrame;
+    RawPtrWillBeMember<WebLocalFrameImpl> m_webFrame;
 };
 
 DEFINE_TYPE_CASTS(FrameLoaderClientImpl, FrameLoaderClient, client, client->isFrameLoaderClientImpl(), client.isFrameLoaderClientImpl());
 
 } // namespace blink
 
 #endif