[src/media] Declaring the weak_ptr_factory in proper order in cast,mojo and filters

media/cast/test/fake_media_source.cc

 // Copyright 2014 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/cast/test/fake_media_source.h"
 
 #include "base/files/memory_mapped_file.h"
 #include "base/files/scoped_file.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 38 matching lines @@
 FakeMediaSource::FakeMediaSource(
     scoped_refptr<base::SingleThreadTaskRunner> task_runner,
     base::TickClock* clock,
     const VideoSenderConfig& video_config)
     : task_runner_(task_runner),
       video_config_(video_config),
       synthetic_count_(0),
       clock_(clock),
       audio_frame_count_(0),
       video_frame_count_(0),
-      weak_factory_(this),
       av_format_context_(NULL),
       audio_stream_index_(-1),
       playback_rate_(1.0),
       video_stream_index_(-1),
       video_frame_rate_numerator_(video_config.max_frame_rate),
       video_frame_rate_denominator_(1),
       video_first_pts_(0),
-      video_first_pts_set_(false) {
+      video_first_pts_set_(false),
+      weak_factory_(this) {
   audio_bus_factory_.reset(new TestAudioBusFactory(kAudioChannels,
                                                    kAudioSamplingFrequency,
                                                    kSoundFrequency,
                                                    kSoundVolume));
 }
 
 FakeMediaSource::~FakeMediaSource() {
 }
 
 void FakeMediaSource::SetSourceFile(const base::FilePath& video_file,
@@ skipping 507 matching lines @@
 AVCodecContext* FakeMediaSource::av_audio_context() {
   return av_audio_stream()->codec;
 }
 
 AVCodecContext* FakeMediaSource::av_video_context() {
   return av_video_stream()->codec;
 }
 
 }  // namespace cast
 }  // namespace media