Combine audio decoding and video decoding onto a single thread.

media/base/message_loop_factory.cc

Index: media/base/message_loop_factory.cc
diff --git a/media/base/message_loop_factory.cc b/media/base/message_loop_factory.cc
index 04a904a57a86089e531c4b1ef7bb2d9156c87962..177e5f83308ae7417f2be7022f31ba69fa1bcb5d 100644
--- a/media/base/message_loop_factory.cc
+++ b/media/base/message_loop_factory.cc
@@ -34,11 +34,8 @@ base::Thread* MessageLoopFactory::GetThread(Type type) {
 
   const char* name = NULL;
   switch (type) {
-    case kAudioDecoder:
-      name = "AudioDecoderThread";
-      break;
-    case kVideoDecoder:
-      name = "VideoDecoderThread";
+    case kDecoder:
+      name = "DecoderThread";

[Ami GONE FROM CHROMIUM, 2012/09/06 08:39:40]

optional: s/Decoder/MediaDecoder/ ?
(no need for "media" in the Type enum b/c it's already scoped inside the media::
namespace)

[scherkus (not reviewing), 2012/09/06 09:02:41]

Done + for pipeline as well

       break;
     case kPipeline:
       name = "PipelineThread";