PepperVideoSourceHost: Use natural_size instead of visible_rect.size

content/renderer/pepper/pepper_video_source_host.h

 // Copyright (c) 2013 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_PEPPER_PEPPER_VIDEO_SOURCE_HOST_H_
 #define CONTENT_RENDERER_PEPPER_PEPPER_VIDEO_SOURCE_HOST_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 61 matching lines @@
   void Close();
 
   RendererPpapiHost* renderer_ppapi_host_;
 
   ppapi::host::ReplyMessageContext reply_context_;
 
   scoped_ptr<VideoSourceHandler> source_handler_;
   scoped_refptr<FrameReceiver> frame_receiver_;
   std::string stream_url_;
   scoped_refptr<media::VideoFrame> last_frame_;
+  // An internal frame buffer to avoid reallocations. It is only allocated if
+  // scaling is needed.
+  scoped_refptr<media::VideoFrame> scaled_frame_;
   bool get_frame_pending_;
   // We use only one ImageData resource in order to avoid allocating
   // shared memory repeatedly. We send the same one each time the plugin
   // requests a frame. For this to work, the plugin must finish using
   // the ImageData it receives prior to calling GetFrame, and not access
   // the ImageData until it gets its next callback to GetFrame.
   scoped_refptr<PPB_ImageData_Impl> shared_image_;
   PP_ImageDataDesc shared_image_desc_;
 
   base::WeakPtrFactory<PepperVideoSourceHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperVideoSourceHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_VIDEO_SOURCE_HOST_H_