Implement video frame acknowledgements in the chromoting protocol.

remoting/test/protocol_perftest.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 "base/base64.h"
 #include "base/files/file_util.h"
 #include "base/message_loop/message_loop.h"
 #include "base/rand_util.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 183 matching lines @@
   void StartHostAndClient(protocol::ChannelConfig::Codec video_codec) {
     fake_network_dispatcher_ =  new FakeNetworkDispatcher();
 
     client_signaling_.reset(new FakeSignalStrategy(kClientJid));
 
     jingle_glue::JingleThreadWrapper::EnsureForCurrentMessageLoop();
 
     protocol_config_ = protocol::CandidateSessionConfig::CreateDefault();
     protocol_config_->DisableAudioChannel();
     protocol_config_->mutable_video_configs()->clear();
-    protocol_config_->mutable_video_configs()->push_back(
-        protocol::ChannelConfig(
-            protocol::ChannelConfig::TRANSPORT_STREAM, 2, video_codec));
+    protocol_config_->EnableVideoCodec(video_codec);
 
     host_thread_.message_loop_proxy()->PostTask(
         FROM_HERE,
         base::Bind(&ProtocolPerfTest::StartHost, base::Unretained(this)));
   }
 
   void StartHost() {
     DCHECK(host_thread_.message_loop_proxy()->BelongsToCurrentThread());
 
     jingle_glue::JingleThreadWrapper::EnsureForCurrentMessageLoop();
@@ skipping 267 matching lines @@
               << "ms Encode: " << last_video_packet_->encode_time_ms()
               << "ms Capture: " << last_video_packet_->capture_time_ms()
               << "ms";
     sum += latency;
   }
 
   LOG(INFO) << "Average: " << (sum / kFrames).InMillisecondsF();
 }
 
 }  // namespace remoting