Convert AVDAs thread hang detection to be timer based

media/gpu/android_video_decode_accelerator.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_GPU_ANDROID_VIDEO_DECODE_ACCELERATOR_H_
 #define MEDIA_GPU_ANDROID_VIDEO_DECODE_ACCELERATOR_H_
 
 #include <stdint.h>
 
 #include <list>
@@ skipping 194 matching lines @@
 
     // Initial coded size.  The actual size might change at any time, so this
     // is only a hint.
     gfx::Size initial_expected_coded_size_;
 
     // Should we allow MediaCodec to autodetect the codec type (true), or
     // select a software decoder manually (false).  This is because fallback to
     // software when autodetecting can sometimes hang mediaserver.
     bool allow_autodetection_ = false;
 
-    // Should we notify AVDAManager when codec configuration completes?
-    bool notify_completion_ = false;
-
    protected:
     friend class base::RefCountedThreadSafe<CodecConfig>;
     virtual ~CodecConfig();
 
    private:
     DISALLOW_COPY_AND_ASSIGN(CodecConfig);
   };
 
   // Callback that is called when the SurfaceView becomes available, if it's
   // not during Initialize.  |success| is true if it is now available, false
@@ skipping 253 matching lines @@
 
   // WeakPtrFactory for posting tasks back to |this|.
   base::WeakPtrFactory<AndroidVideoDecodeAccelerator> weak_this_factory_;
 
   friend class AndroidVideoDecodeAcceleratorTest;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_ANDROID_VIDEO_DECODE_ACCELERATOR_H_