Add UMA histograms for more detailed latency tracking on the CRD host.

remoting/codec/video_encoder_helper_unittest.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/codec/video_encoder_helper.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "remoting/proto/video.pb.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
@@ skipping 18 matching lines @@
   VideoEncoderHelper helper;
   scoped_ptr<VideoPacket> packet(helper.CreateVideoPacket(frame));
 
   ASSERT_TRUE(packet->has_format());
   EXPECT_FALSE(packet->format().has_encoding());
   EXPECT_TRUE(packet->format().has_screen_width());
   EXPECT_TRUE(packet->format().has_screen_height());
   EXPECT_TRUE(packet->format().has_x_dpi());
   EXPECT_TRUE(packet->format().has_y_dpi());
 
-  EXPECT_TRUE(packet->has_capture_time_ms());
   EXPECT_EQ(1, packet->dirty_rects().size());
 
   ASSERT_TRUE(packet->has_use_desktop_shape());
   EXPECT_TRUE(packet->use_desktop_shape());
 
   EXPECT_EQ(1, packet->desktop_shape_rects().size());
 }
 
 TEST(VideoEncoderHelperTest, ZeroDpi) {
   BasicDesktopFrame frame(DesktopSize(32, 32));
@@ skipping 48 matching lines @@
   // Process a different-sized frame to trigger size to be emitted.
   BasicDesktopFrame frame2(DesktopSize(48, 48));
   packet = helper.CreateVideoPacket(frame2);
 
   ASSERT_TRUE(packet->has_format());
   EXPECT_TRUE(packet->format().has_screen_width());
   EXPECT_TRUE(packet->format().has_screen_height());
 }
 
 }  // namespace remoting