Reland r101418: Fix aspect ratio and clarify video frame dimensions

webkit/glue/media/video_renderer_impl.h

 // Copyright (c) 2011 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 WEBKIT_GLUE_MEDIA_VIDEO_RENDERER_IMPL_H_
 #define WEBKIT_GLUE_MEDIA_VIDEO_RENDERER_IMPL_H_
 
 #include "media/base/buffers.h"
 #include "media/base/filters.h"
 #include "media/filters/video_renderer_base.h"
@@ skipping 50 matching lines @@
   // These two members are used to determine if the |bitmap_| contains
   // an already converted image of the current frame.  IMPORTANT NOTE:  The
   // value of |last_converted_frame_| must only be used for comparison purposes,
   // and it should be assumed that the value of the pointer is INVALID unless
   // it matches the pointer returned from GetCurrentFrame().  Even then, just
   // to make sure, we compare the timestamp to be sure the bits in the
   // |current_frame_bitmap_| are valid.
   media::VideoFrame* last_converted_frame_;
   base::TimeDelta last_converted_timestamp_;
 
-  // The size of the video.
-  gfx::Size video_size_;
+  // The natural size of the video.
+  gfx::Size natural_size_;
 
   // Whether we're logging video presentation timestamps (PTS).
   bool pts_logging_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoRendererImpl);
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_MEDIA_VIDEO_RENDERER_IMPL_H_