Decouple capture timestamp and reference time

content/renderer/media/video_capture_message_filter_unittest.cc

Index: content/renderer/media/video_capture_message_filter_unittest.cc
diff --git a/content/renderer/media/video_capture_message_filter_unittest.cc b/content/renderer/media/video_capture_message_filter_unittest.cc
index 6a339404de1992ffffe46d20675b58439768e9fc..30c53a5cccea5ab264d3b586e82f025e7d92d39d 100644
--- a/content/renderer/media/video_capture_message_filter_unittest.cc
+++ b/content/renderer/media/video_capture_message_filter_unittest.cc
@@ -43,7 +43,7 @@ class MockVideoCaptureDelegate : public VideoCaptureMessageFilter::Delegate {
   MOCK_METHOD1(OnBufferDestroyed, void(int buffer_id));
   MOCK_METHOD7(OnBufferReceived,
                void(int buffer_id,
-                    base::TimeTicks timestamp,
+                    base::TimeDelta timestamp,
                     const base::DictionaryValue& metadata,
                     media::VideoPixelFormat pixel_format,
                     media::VideoFrame::StorageType storage_type,
@@ -122,8 +122,15 @@ TEST(VideoCaptureMessageFilterTest, Basic) {
   VideoCaptureMsg_BufferReady_Params params;
   params.device_id = delegate.device_id();
   params.buffer_id = 22;
-  params.timestamp = base::TimeTicks::FromInternalValue(1);
+  params.timestamp = base::TimeDelta::FromMicroseconds(1);
   params.metadata.SetString("foo", "bar");
+  const int64_t internal_value = 1;

[miu, 2016/06/08 19:24:44]

ditto here: Use VideoFrameMetadata here, then
MergeInternalValuesInto(&params.metadata).

[qiangchen, 2016/06/08 20:08:55]

Done.

+  params.metadata.SetWithoutPathExpansion(
+      base::IntToString(
+          static_cast<int>(media::VideoFrameMetadata::REFERENCE_TIME)),
+      base::BinaryValue::CreateWithCopiedBuffer(
+          reinterpret_cast<const char*>(&internal_value),
+          sizeof(internal_value)));
   params.pixel_format = media::PIXEL_FORMAT_I420;
   params.storage_type = media::VideoFrame::STORAGE_SHMEM;
   params.coded_size = gfx::Size(234, 512);