Fix WeakPtrFactory members in Android media classes

media/base/android/media_source_player.h

 // Copyright (c) 2013 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.
 
 #ifndef MEDIA_BASE_ANDROID_MEDIA_SOURCE_PLAYER_H_
 #define MEDIA_BASE_ANDROID_MEDIA_SOURCE_PLAYER_H_
 
 #include <jni.h>
 #include <map>
 #include <string>
@@ skipping 255 matching lines @@
   bool is_waiting_for_audio_decoder_;
   bool is_waiting_for_video_decoder_;
 
   // Test-only callback for hooking the completion of the next decode cycle.
   base::Closure decode_callback_for_testing_;
 
   // Whether audio or video decoder is in the process of prerolling.
   bool prerolling_;
 
   // Weak pointer passed to media decoder jobs for callbacks.
+  base::WeakPtr<MediaSourcePlayer> weak_this_;
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<MediaSourcePlayer> weak_factory_;
-  base::WeakPtr<MediaSourcePlayer> weak_this_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaSourcePlayer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_MEDIA_SOURCE_PLAYER_H_