Implement GpuVideoDecoderHost and unit tests

Add the following feature to GpuVideoDecoderHost:
1. Video frame allocation / release.
2. ProduceVideoFrame / ConsumeVideoFrame using frames allocated.
3. Change GpuVideoDecoder creation to asynchronous.

BUG=53714
TEST=unit_tests --gtest_filter=GpuVideoDecoder*

Review URL: http://codereview.chromium.org/3397027

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@61824 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 5 insertions, 7 deletions

diff --git a/chrome/gpu/gpu_video_service.h b/chrome/gpu/gpu_video_service.h
index 0b446bb..a2c090e 100644
--- a/chrome/gpu/gpu_video_service.h
+++ b/chrome/gpu/gpu_video_service.h
@@ -22,32 +22,30 @@ class GpuVideoService : public IPC::Channel::Listener,
   virtual void OnChannelError();
   virtual void OnMessageReceived(const IPC::Message& message);
 
+  // TODO(hclam): Remove return value.
   bool CreateVideoDecoder(GpuChannel* channel,
                           MessageRouter* router,
-                          GpuVideoDecoderInfoParam* param,
+                          int32 decoder_host_id,
+                          int32 decoder_id,
                           gpu::gles2::GLES2Decoder* gles2_decoder);
   void DestroyVideoDecoder(MessageRouter* router,
                            int32 decoder_id);
 
  private:
   struct GpuVideoDecoderInfo {
-    scoped_refptr<GpuVideoDecoder> decoder_;
-    GpuChannel* channel_;
-    GpuVideoDecoderInfoParam param;
+    scoped_refptr<GpuVideoDecoder> decoder;
+    GpuChannel* channel;
   };
 
   GpuVideoService();
   virtual ~GpuVideoService();
 
   std::map<int32, GpuVideoDecoderInfo> decoder_map_;
-  int32 next_available_decoder_id_;
 
   // Specialize video service on different platform will override.
   virtual bool IntializeGpuVideoService();
   virtual bool UnintializeGpuVideoService();
 
-  int32 GetNextAvailableDecoderID();
-
   friend struct DefaultSingletonTraits<GpuVideoService>;
   DISALLOW_COPY_AND_ASSIGN(GpuVideoService);
 };