Report video and network stats averaged over 1s, and create corresponding UMA metrics.

remoting/client/plugin/pepper_video_renderer_3d.cc

 // Copyright 2014 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 "remoting/client/plugin/pepper_video_renderer_3d.h"
 
 #include <math.h>
 
 #include "base/callback_helpers.h"
 #include "base/stl_util.h"
@@ skipping 171 matching lines @@
 }
 
 protocol::VideoStub* PepperVideoRenderer3D::GetVideoStub() {
   return this;
 }
 
 void PepperVideoRenderer3D::ProcessVideoPacket(scoped_ptr<VideoPacket> packet,
                                                const base::Closure& done) {
   base::ScopedClosureRunner done_runner(done);
 
+  // Record this received packet, even if it is empty.
+  stats_.video_packet_rate()->Record(1);
+
   // Don't need to do anything if the packet is empty. Host sends empty video
   // packets when the screen is not changing.
   if (!packet->data().size())
     return;
 
   // Update statistics.
+  // TODO(anandc): Move to ChromotingStats - see http://crbug/508602
   stats_.video_frame_rate()->Record(1);
   stats_.video_bandwidth()->Record(packet->data().size());
   if (packet->has_capture_time_ms())
     stats_.video_capture_ms()->Record(packet->capture_time_ms());
   if (packet->has_encode_time_ms())
     stats_.video_encode_ms()->Record(packet->encode_time_ms());
   if (packet->has_latest_event_timestamp() &&
       packet->latest_event_timestamp() > latest_input_event_timestamp_) {
     latest_input_event_timestamp_ = packet->latest_event_timestamp();
     base::TimeDelta round_trip_latency =
@@ skipping 322 matching lines @@
   gles2_if_->AttachShader(graphics_.pp_resource(), shader_program_, shader);
   gles2_if_->DeleteShader(graphics_.pp_resource(), shader);
 }
 
 void PepperVideoRenderer3D::CheckGLError() {
   GLenum error = gles2_if_->GetError(graphics_.pp_resource());
   CHECK_EQ(error, static_cast<GLenum>(GL_NO_ERROR)) << "GL error: " << error;
 }
 
 }  // namespace remoting