Convert main_render_frame_ to raw pointer in RenderViewImpl.

content/renderer/render_view_impl.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 890 matching lines @@
   // states for the sizes).
   base::OneShotTimer<RenderViewImpl> check_preferred_size_timer_;
 
   // Bookkeeping to suppress redundant scroll and focus requests for an already
   // scrolled and focused editable node.
   bool has_scrolled_focused_editable_node_into_rect_;
   gfx::Rect rect_for_scrolled_focused_editable_node_;
 
   // Helper objects ------------------------------------------------------------
 
-  scoped_ptr<RenderFrameImpl> main_render_frame_;
+  RenderFrameImpl* main_render_frame_;
 
   // The next group of objects all implement RenderViewObserver, so are deleted
   // along with the RenderView automatically.  This is why we just store
   // weak references.
 
   // The speech recognition dispatcher attached to this view, lazily
   // initialized.
   SpeechRecognitionDispatcher* speech_recognition_dispatcher_;
 
   // Mouse Lock dispatcher attached to this view.
@@ skipping 100 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_