Bug Fix: WebMediaPlayerMS Crashes

content/renderer/media/webmediaplayer_ms_compositor.h

 // Copyright 2015 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 CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_COMPOSITOR_H
 #define CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_COMPOSITOR_H
 
 #include <stddef.h>
 
 #include <map>
@@ skipping 130 matching lines @@
   size_t total_frame_count_;
   size_t dropped_frame_count_;
 
   bool stopped_;
 
   std::map<base::TimeDelta, base::TimeTicks> timestamps_to_clock_times_;
 
   // |current_frame_lock_| protects |current_frame_used_by_compositor_|,
   // |current_frame_|, and |rendering_frame_buffer_|.
   base::Lock current_frame_lock_;
+
+  // Make sure the weak pointer factory member is the last member of the class.
+  base::WeakPtrFactory<WebMediaPlayerMSCompositor> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerMSCompositor);
 };
 }
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_COMPOSITOR_H