WeakPtr destruction order cleanup: media edition.

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 186 matching lines @@
 }
 
 void VpxVideoDecoder::MemoryPool::OnVideoFrameDestroyed(
     VP9FrameBuffer* frame_buffer) {
   --frame_buffer->ref_cnt;
 }
 
 VpxVideoDecoder::VpxVideoDecoder(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner)
     : task_runner_(task_runner),
-      weak_factory_(this),
       state_(kUninitialized),
       vpx_codec_(NULL),
-      vpx_codec_alpha_(NULL) {
-}
+      vpx_codec_alpha_(NULL) {}
 
 VpxVideoDecoder::~VpxVideoDecoder() {
   DCHECK_EQ(kUninitialized, state_);
   CloseDecoder();
 }
 
 void VpxVideoDecoder::Initialize(const VideoDecoderConfig& config,
                                  const PipelineStatusCB& status_cb) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   DCHECK(config.IsValidConfig());
   DCHECK(!config.is_encrypted());
   DCHECK(decode_cb_.is_null());
   DCHECK(reset_cb_.is_null());
 
-  weak_this_ = weak_factory_.GetWeakPtr();
-
   if (!ConfigureDecoder(config)) {
     status_cb.Run(DECODER_ERROR_NOT_SUPPORTED);
     return;
   }
 
   // Success!
   config_ = config;
   state_ = kNormal;
   status_cb.Run(PIPELINE_OK);
 }
@@ skipping 289 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