Add basic perf tests for chromoting protocol.

remoting/client/chromoting_client.h

 // Copyright (c) 2012 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.
 
 // ChromotingClient is the controller for the Client implementation.
 
 #ifndef REMOTING_CLIENT_CHROMOTING_CLIENT_H_
 #define REMOTING_CLIENT_CHROMOTING_CLIENT_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "remoting/client/chromoting_stats.h"
 #include "remoting/protocol/client_stub.h"
 #include "remoting/protocol/clipboard_stub.h"
 #include "remoting/protocol/connection_to_host.h"
 #include "remoting/protocol/input_stub.h"
 #include "remoting/protocol/video_stub.h"
 
 namespace base {
 class SingleThreadTaskRunner;
 }  // namespace base
 
 namespace remoting {
 
 namespace protocol {
+class CandidateSessionConfig;
 class TransportFactory;
 }  // namespace protocol
 
 class AudioDecodeScheduler;
 class AudioPlayer;
 class ClientContext;
 class ClientUserInterface;
 class FrameConsumerProxy;
 class FrameProducer;
 class VideoRenderer;
 class SignalStrategy;
 
 class ChromotingClient : public protocol::ConnectionToHost::HostEventCallback,
                          public protocol::ClientStub {
  public:
   // |audio_player| may be null, in which case audio will not be requested.
   ChromotingClient(ClientContext* client_context,
                    ClientUserInterface* user_interface,
                    VideoRenderer* video_renderer,
                    scoped_ptr<AudioPlayer> audio_player);
 
   virtual ~ChromotingClient();
 
+  void set_candidate_config(

[rmsousa, 2014/07/16 23:06:00]

is this a testing hook? if so, please add a comment.

[Wez, 2014/07/16 23:16:39]

Better still, call it SetCandidateConfigForTest(), so that production code can't
call it. ^.^

[Sergey Ulanov, 2014/07/17 01:47:58]

Done.

+      scoped_ptr<protocol::CandidateSessionConfig> config);
+
   // Start the client. Must be called on the main thread. |signal_strategy|
   // must outlive the client.
   void Start(SignalStrategy* signal_strategy,
              scoped_ptr<protocol::Authenticator> authenticator,
              scoped_ptr<protocol::TransportFactory> transport_factory,
              const std::string& host_jid,
              const std::string& capabilities);
 
   protocol::ConnectionToHost::State connection_state() const {
     return connection_.state();
@@ skipping 55 matching lines @@
 
   // Record the statistics of the connection.
   ChromotingStats stats_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromotingClient);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_CLIENT_CHROMOTING_CLIENT_H_