Add delay in FFmpegVideoDecoder::Decode().

media/filters/ffmpeg_video_decoder.h

Index: media/filters/ffmpeg_video_decoder.h
diff --git a/media/filters/ffmpeg_video_decoder.h b/media/filters/ffmpeg_video_decoder.h
index 529d69e70b792e201951be2032083dac3299035f..7cda4878c1dd1f6e5d62784338e56f24d20d5925 100644
--- a/media/filters/ffmpeg_video_decoder.h
+++ b/media/filters/ffmpeg_video_decoder.h
@@ -8,6 +8,7 @@
 #include <list>
 
 #include "base/callback.h"
+#include "base/memory/weak_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/base/video_decoder.h"
 #include "media/base/video_decoder_config.h"
@@ -44,6 +45,9 @@ class MEDIA_EXPORT FFmpegVideoDecoder : public VideoDecoder {
                       const DecodeCB& decode_cb) OVERRIDE;
   virtual void Reset(const base::Closure& closure) OVERRIDE;
 
+  void DecodeInternal(const scoped_refptr<DecoderBuffer>& buffer,
+                      const DecodeCB& decode_cb);
+
   // Callback called from within FFmpeg to allocate a buffer based on
   // the dimensions of |codec_context|. See AVCodecContext.get_buffer2
   // documentation inside FFmpeg.
@@ -87,6 +91,8 @@ class MEDIA_EXPORT FFmpegVideoDecoder : public VideoDecoder {
 
   bool decode_nalus_;
 
+  base::WeakPtrFactory<FFmpegVideoDecoder> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(FFmpegVideoDecoder);
 };