Give performance_browser_tests lots of love and attention.

chrome/renderer/media/cast_rtp_stream.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/media/cast_rtp_stream.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 216 matching lines @@
             video_frame->format() == media::PIXEL_FORMAT_YV12A)) {
         error_callback_.Run("Incompatible video frame format.");
         return;
       }
       scoped_refptr<media::VideoFrame> frame = video_frame;
       // Drop alpha channel since we do not support it yet.
       if (frame->format() == media::PIXEL_FORMAT_YV12A)
         frame = media::WrapAsI420VideoFrame(video_frame);
 
       // Used by chrome/browser/extension/api/cast_streaming/performance_test.cc
-      TRACE_EVENT_INSTANT2(
-          "cast_perf_test", "MediaStreamVideoSink::OnVideoFrame",
-          TRACE_EVENT_SCOPE_THREAD,
-          "timestamp",  timestamp.ToInternalValue(),
-          "time_delta", frame->timestamp().ToInternalValue());
+      TRACE_EVENT_INSTANT2("cast_perf_test", "ConsumeVideoFrame",
+                           TRACE_EVENT_SCOPE_THREAD, "timestamp",
+                           (timestamp - base::TimeTicks()).InMicroseconds(),
+                           "time_delta", frame->timestamp().InMicroseconds());
       frame_input_->InsertRawVideoFrame(frame, timestamp);
     }
 
    private:
     friend class base::RefCountedThreadSafe<Deliverer>;
     ~Deliverer() {}
 
     const scoped_refptr<base::SingleThreadTaskRunner> main_task_runner_;
     const CastRtpStream::ErrorCallback error_callback_;
 
@@ skipping 328 matching lines @@
   DCHECK(content::RenderThread::Get());
   DVLOG(1) << "CastRtpStream::DidEncounterError(" << message
            << ") = " << (is_audio_ ? "audio" : "video");
   // Save the WeakPtr first because the error callback might delete this object.
   base::WeakPtr<CastRtpStream> ptr = weak_factory_.GetWeakPtr();
   error_callback_.Run(message);
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE,
       base::Bind(&CastRtpStream::Stop, ptr));
 }