Refactor video capturing code in the render process

content/renderer/render_thread_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_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 248 matching lines @@
   PeerConnectionTracker* peer_connection_tracker() {
     return peer_connection_tracker_.get();
   }
 
   // Current P2PSocketDispatcher. Set to NULL if P2P API is disabled.
   P2PSocketDispatcher* p2p_socket_dispatcher() {
     return p2p_socket_dispatcher_.get();
   }
 
   VideoCaptureImplManager* video_capture_impl_manager() const {
-    return vc_manager_.get();
+    return vc_manager_;
   }
 
   // Get the GPU channel. Returns NULL if the channel is not established or
   // has been lost.
   GpuChannelHost* GetGpuChannel();
 
   // Returns a MessageLoopProxy instance corresponding to the message loop
   // of the thread on which file operations should be run. Must be called
   // on the renderer's main thread.
   scoped_refptr<base::MessageLoopProxy> GetFileThreadMessageLoopProxy();
@@ skipping 175 matching lines @@
   scoped_ptr<MediaStreamDependencyFactory> media_stream_factory_;
 
   // This is used to communicate to the browser process the status
   // of all the peer connections created in the renderer.
   scoped_ptr<PeerConnectionTracker> peer_connection_tracker_;
 
   // Dispatches all P2P sockets.
   scoped_refptr<P2PSocketDispatcher> p2p_socket_dispatcher_;
 
   // Used on the render thread.
-  scoped_ptr<VideoCaptureImplManager> vc_manager_;
+  scoped_refptr<VideoCaptureImplManager> vc_manager_;
 
   // The count of RenderWidgets running through this thread.
   int widget_count_;
 
   // The count of hidden RenderWidgets running through this thread.
   int hidden_widget_count_;
 
   // The current value of the idle notification timer delay.
   int64 idle_notification_delay_in_ms_;
 
@@ skipping 65 matching lines @@
   bool is_low_res_tiling_enabled_;
   bool is_lcd_text_enabled_;
   bool is_map_image_enabled_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_