Implement webkit media metrics in chromium.

This implements the chromium side of the webkit media statistics
feature.

A followup cl (in webkit) will wire the two sides together.

Patch by sjl@chromium.org:
http://codereview.chromium.org/6246091/

BUG=71255
TEST=media_unittests

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@75050 0039d316-1c4b-4281-b951-d872f2087c98

5 files changed, 17 insertions, 6 deletions

diff --git a/chrome/gpu/gpu_video_decoder.cc b/chrome/gpu/gpu_video_decoder.cc
index ee213bf..c1210d4 100644
--- a/chrome/gpu/gpu_video_decoder.cc
+++ b/chrome/gpu/gpu_video_decoder.cc
@@ -121,7 +121,10 @@ void GpuVideoDecoder::ProduceVideoSample(scoped_refptr<Buffer> buffer) {
   SendEmptyBufferDone();
 }
 
-void GpuVideoDecoder::ConsumeVideoFrame(scoped_refptr<VideoFrame> frame) {
+void GpuVideoDecoder::ConsumeVideoFrame(scoped_refptr<VideoFrame> frame,
+                                        const PipelineStatistics& statistics) {
+  // TODO(sjl): Do something with the statistics...
+
   if (frame->IsEndOfStream()) {
     SendConsumeVideoFrame(kGpuVideoInvalidFrameId, 0, 0, kGpuVideoEndOfStream);
     return;
diff --git a/chrome/gpu/gpu_video_decoder.h b/chrome/gpu/gpu_video_decoder.h
index ae1da3b..5fcd5cc 100644
--- a/chrome/gpu/gpu_video_decoder.h
+++ b/chrome/gpu/gpu_video_decoder.h
@@ -18,11 +18,12 @@
 #include "media/video/video_decode_engine.h"
 #include "ipc/ipc_channel.h"
 
+using media::Buffer;
+using media::PipelineStatistics;
 using media::VideoCodecConfig;
 using media::VideoCodecInfo;
 using media::VideoStreamInfo;
 using media::VideoFrame;
-using media::Buffer;
 
 namespace gpu {
 namespace gles2 {
@@ -112,7 +113,8 @@ class GpuVideoDecoder
   virtual void OnError();
   virtual void OnFormatChange(VideoStreamInfo stream_info);
   virtual void ProduceVideoSample(scoped_refptr<Buffer> buffer);
-  virtual void ConsumeVideoFrame(scoped_refptr<VideoFrame> frame);
+  virtual void ConsumeVideoFrame(scoped_refptr<VideoFrame> frame,
+                                 const PipelineStatistics& statistics);
 
   // VideoDecodeContext implementation.
   virtual void* GetDevice();
diff --git a/chrome/gpu/gpu_video_decoder_unittest.cc b/chrome/gpu/gpu_video_decoder_unittest.cc
index 7767dcd..f88f30c 100644
--- a/chrome/gpu/gpu_video_decoder_unittest.cc
+++ b/chrome/gpu/gpu_video_decoder_unittest.cc
@@ -8,6 +8,7 @@
 #include "chrome/gpu/gpu_video_decoder.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder_mock.h"
 #include "ipc/ipc_message_utils.h"
+#include "media/base/pipeline.h"
 #include "media/video/video_mock_objects.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -62,7 +63,8 @@ ACTION_P(SendVideoFrameAllocated, handler) {
 }
 
 ACTION_P2(SendConsumeVideoFrame, handler, frame) {
-  handler->ConsumeVideoFrame(frame);
+  media::PipelineStatistics statistics;
+  handler->ConsumeVideoFrame(frame, statistics);
 }
 
 class GpuVideoDecoderTest : public testing::Test,
diff --git a/chrome/gpu/media/fake_gl_video_decode_engine.cc b/chrome/gpu/media/fake_gl_video_decode_engine.cc
index db0f7a5..0e6a696 100644
--- a/chrome/gpu/media/fake_gl_video_decode_engine.cc
+++ b/chrome/gpu/media/fake_gl_video_decode_engine.cc
@@ -75,7 +75,7 @@ void FakeGlVideoDecodeEngine::Seek() {
   // *push* decoded frames to downstream. The model used in VideoRendererBase
   // to wait for *push* is flawed.
   for (size_t i = 0; i < external_frames_.size(); ++i)
-    handler_->ConsumeVideoFrame(external_frames_[i]);
+    handler_->ConsumeVideoFrame(external_frames_[i], dummy_stats_);
   handler_->OnSeekComplete();
 }
 
@@ -126,7 +126,7 @@ void FakeGlVideoDecodeEngine::ProduceVideoFrame(
 void FakeGlVideoDecodeEngine::UploadCompleteTask(
     scoped_refptr<media::VideoFrame> frame) {
   // |frame| is the upload target. We can immediately send this frame out.
-  handler_->ConsumeVideoFrame(frame);
+  handler_->ConsumeVideoFrame(frame, dummy_stats_);
 }
 
 DISABLE_RUNNABLE_METHOD_REFCOUNT(FakeGlVideoDecodeEngine);
diff --git a/chrome/gpu/media/fake_gl_video_decode_engine.h b/chrome/gpu/media/fake_gl_video_decode_engine.h
index 24d3b33..9ffe4268 100644
--- a/chrome/gpu/media/fake_gl_video_decode_engine.h
+++ b/chrome/gpu/media/fake_gl_video_decode_engine.h
@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "base/scoped_ptr.h"
+#include "media/base/pipeline.h"
 #include "media/video/video_decode_engine.h"
 
 namespace media {
@@ -58,6 +59,9 @@ class FakeGlVideoDecodeEngine : public media::VideoDecodeEngine {
   // fake pattern in them.
   std::queue<scoped_refptr<media::VideoFrame> > pending_frames_;
 
+  // Dummy statistics.
+  media::PipelineStatistics dummy_stats_;
+
   DISALLOW_COPY_AND_ASSIGN(FakeGlVideoDecodeEngine);
 };