Allow multiple concurrent Decode() requests in VideoDecoder interface.

media/filters/fake_video_decoder.cc

Index: media/filters/fake_video_decoder.cc
diff --git a/media/filters/fake_video_decoder.cc b/media/filters/fake_video_decoder.cc
index 0f171999783f161a65bf38c2662f76d15655ad6b..28913a4e2c4a659dd211be32fce901084b876ab1 100644
--- a/media/filters/fake_video_decoder.cc
+++ b/media/filters/fake_video_decoder.cc
@@ -71,6 +71,7 @@ void FakeVideoDecoder::Decode(const scoped_refptr<DecoderBuffer>& buffer,
     scoped_refptr<VideoFrame> video_frame = VideoFrame::CreateColorFrame(
         current_config_.coded_size(), 0, 0, 0, buffer->timestamp());
     decoded_frames_.push_back(video_frame);
+    LOG(ERROR) << "Queue " << decoded_frames_.size();

[Ami GONE FROM CHROMIUM, 2014/04/16 01:00:00]

drop?

[Sergey Ulanov, 2014/04/16 01:44:14]

Done.

 
     if (decoded_frames_.size() <= static_cast<size_t>(decoding_delay_)) {
       decode_cb_.RunOrHold(kNotEnoughData, scoped_refptr<VideoFrame>());
@@ -80,6 +81,7 @@ void FakeVideoDecoder::Decode(const scoped_refptr<DecoderBuffer>& buffer,
 
   scoped_refptr<VideoFrame> frame = decoded_frames_.front();
   decoded_frames_.pop_front();
+  LOG(ERROR) << "Queue " << decoded_frames_.size();

[Ami GONE FROM CHROMIUM, 2014/04/16 01:00:00]

drop?

[Sergey Ulanov, 2014/04/16 01:44:14]

Done.

   decode_cb_.RunOrHold(kOk, frame);
 }
 
@@ -115,6 +117,7 @@ scoped_refptr<VideoFrame> FakeVideoDecoder::GetDecodeOutput() {
     return NULL;
   scoped_refptr<VideoFrame> out = decoded_frames_.front();
   decoded_frames_.pop_front();
+  LOG(ERROR) << "Queue " << decoded_frames_.size();

[Ami GONE FROM CHROMIUM, 2014/04/16 01:00:00]

drop?

[Sergey Ulanov, 2014/04/16 01:44:14]

Done.

   return out;
 }