Revert of Pass decoded picture size from VDA to client

content/renderer/pepper/ppb_video_decoder_impl.cc

 // 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.
 
 #include "content/renderer/pepper/ppb_video_decoder_impl.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 228 matching lines @@
 
   PP_Size out_dim = PP_MakeSize(dimensions.width(), dimensions.height());
   ppp_videodecoder_->ProvidePictureBuffers(pp_instance(),
                                            pp_resource(),
                                            requested_num_of_buffers,
                                            &out_dim,
                                            texture_target);
 }
 
 void PPB_VideoDecoder_Impl::PictureReady(const media::Picture& picture) {
-  // So far picture.visible_rect is not used. If used, visible_rect should
-  // be validated since it comes from GPU process and may not be trustworthy.
   DCHECK(RenderThreadImpl::current());
   if (!ppp_videodecoder_)
     return;
 
   PP_Picture_Dev output;
   output.picture_buffer_id = picture.picture_buffer_id();
   output.bitstream_buffer_id = picture.bitstream_buffer_id();
   ppp_videodecoder_->PictureReady(pp_instance(), pp_resource(), &output);
 }
 
@@ skipping 28 matching lines @@
   DCHECK(RenderThreadImpl::current());
   RunBitstreamBufferCallback(bitstream_buffer_id, PP_OK);
 }
 
 void PPB_VideoDecoder_Impl::NotifyFlushDone() {
   DCHECK(RenderThreadImpl::current());
   RunFlushCallback(PP_OK);
 }
 
 }  // namespace content