Fold {Audio|Video}Decoder::Stop() into the dtor.

media/filters/vpx_video_decoder.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 "media/filters/vpx_video_decoder.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 191 matching lines @@
 }
 
 VpxVideoDecoder::VpxVideoDecoder(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner)
     : task_runner_(task_runner),
       state_(kUninitialized),
       vpx_codec_(NULL),
       vpx_codec_alpha_(NULL) {}
 
 VpxVideoDecoder::~VpxVideoDecoder() {
-  DCHECK_EQ(kUninitialized, state_);
+  DCHECK(task_runner_->BelongsToCurrentThread());
   CloseDecoder();
 }
 
 void VpxVideoDecoder::Initialize(const VideoDecoderConfig& config,
                                  bool low_delay,
                                  const PipelineStatusCB& status_cb,
                                  const OutputCB& output_cb) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(config.IsValidConfig());
   DCHECK(!config.is_encrypted());
@@ skipping 108 matching lines @@
 }
 
 void VpxVideoDecoder::Reset(const base::Closure& closure) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(decode_cb_.is_null());
 
   state_ = kNormal;
   task_runner_->PostTask(FROM_HERE, closure);
 }
 
-void VpxVideoDecoder::Stop() {
-  DCHECK(task_runner_->BelongsToCurrentThread());
-
-  state_ = kUninitialized;
-}
-
 void VpxVideoDecoder::DecodeBuffer(const scoped_refptr<DecoderBuffer>& buffer) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK_NE(state_, kUninitialized);
   DCHECK_NE(state_, kDecodeFinished);
   DCHECK_NE(state_, kError);
   DCHECK(!decode_cb_.is_null());
   DCHECK(buffer);
 
   // Transition to kDecodeFinished on the first end of stream buffer.
   if (state_ == kNormal && buffer->end_of_stream()) {
@@ skipping 150 matching lines @@
         vpx_image->stride[VPX_PLANE_Y], vpx_image->d_h, video_frame->get());
     return;
   }
   CopyAPlane(vpx_image_alpha->planes[VPX_PLANE_Y],
              vpx_image->stride[VPX_PLANE_Y],
              vpx_image->d_h,
              video_frame->get());
 }
 
 }  // namespace media