Remove WebMediaPlayerProxy::video_decoder_ & FFmpegVideoDecoder::set_decryptor.

webkit/media/webmediaplayer_proxy.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 "webkit/media/webmediaplayer_proxy.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop_proxy.h"
 #include "media/base/pipeline_status.h"
@@ skipping 69 matching lines @@
   DCHECK(render_loop_->BelongsToCurrentThread());
   if (data_source_)
     data_source_->Abort();
 }
 
 void WebMediaPlayerProxy::Detach() {
   DCHECK(render_loop_->BelongsToCurrentThread());
   webmediaplayer_ = NULL;
   data_source_ = NULL;
   frame_provider_ = NULL;
-  video_decoder_ = NULL;
 }
 
 void WebMediaPlayerProxy::PipelineInitializationCallback(
     PipelineStatus status) {
   render_loop_->PostTask(FROM_HERE, base::Bind(
       &WebMediaPlayerProxy::PipelineInitializationTask, this, status));
 }
 
 void WebMediaPlayerProxy::PipelineSeekCallback(PipelineStatus status) {
   render_loop_->PostTask(FROM_HERE, base::Bind(
@@ skipping 206 matching lines @@
                                       const std::string& session_id,
                                       scoped_array<uint8> init_data,
                                       int init_data_size) {
   DCHECK(render_loop_->BelongsToCurrentThread());
   if (webmediaplayer_)
     webmediaplayer_->OnNeedKey(key_system, session_id,
                                init_data.Pass(), init_data_size);
 }
 
 }  // namespace webkit_media