Use webrtc::VideoFrame timestamp in RTCVideoEncoder

media/gpu/video_encode_accelerator_unittest.cc

Index: media/gpu/video_encode_accelerator_unittest.cc
diff --git a/media/gpu/video_encode_accelerator_unittest.cc b/media/gpu/video_encode_accelerator_unittest.cc
index 7ba3fe8d83e6ef8be99a1efb7b94f6d108a7a73a..5f582b053f51af9de5e0eda777927bd6bbcafe6e 100644
--- a/media/gpu/video_encode_accelerator_unittest.cc
+++ b/media/gpu/video_encode_accelerator_unittest.cc
@@ -564,6 +564,9 @@ class H264Validator : public StreamValidator {
 void H264Validator::ProcessStreamBuffer(const uint8_t* stream, size_t size) {
   h264_parser_.SetStream(stream, static_cast<off_t>(size));
 
+  // Run |frame_cb_| for only first nalu.
+  bool seen_nonidr = false;
+
   while (1) {
     H264NALU nalu;
     H264Parser::Result result;
@@ -585,8 +588,11 @@ void H264Validator::ProcessStreamBuffer(const uint8_t* stream, size_t size) {
       // fallthrough
       case H264NALU::kNonIDRSlice: {
         ASSERT_TRUE(seen_idr_);
-        if (!frame_cb_.Run(keyframe))
-          return;
+        if (!seen_nonidr) {
+          seen_nonidr = true;
+          if (!frame_cb_.Run(keyframe))
+            return;
+        }
         break;
       }
 
@@ -1836,6 +1842,15 @@ INSTANTIATE_TEST_CASE_P(MultipleEncoders,
                                                           false,
                                                           false,
                                                           false)));
+
+#if defined(OS_MACOSX)
+INSTANTIATE_TEST_CASE_P(
+    VerifyTimestamp,
+    VideoEncodeAcceleratorTest,
+    ::testing::Values(
+        std::make_tuple(1, false, 0, false, false, false, false, false, true)));
+#endif  // defined(OS_MACOSX)
+
 #if defined(OS_WIN)
 INSTANTIATE_TEST_CASE_P(
     ForceBitrate,