Enable cpplint for webrtc/examples and fix all uncovered cpplint errors.

webrtc/examples/peerconnection/client/conductor.cc

 /*
  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 104 matching lines @@
 
   webrtc::PeerConnectionInterface::IceServers servers;
   webrtc::PeerConnectionInterface::IceServer server;
   server.uri = GetPeerConnectionString();
   servers.push_back(server);
 
   webrtc::FakeConstraints constraints;
   if (dtls) {
     constraints.AddOptional(webrtc::MediaConstraintsInterface::kEnableDtlsSrtp,
                             "true");
-  }
-  else
-  {
+  } else {
     constraints.AddOptional(webrtc::MediaConstraintsInterface::kEnableDtlsSrtp,
                             "false");
   }
 
   peer_connection_ =
       peer_connection_factory_->CreatePeerConnection(servers,
                                                      &constraints,
                                                      NULL,
                                                      NULL,
                                                      this);
@@ skipping 399 matching lines @@
 }
 
 void Conductor::OnFailure(const std::string& error) {
     LOG(LERROR) << error;
 }
 
 void Conductor::SendMessage(const std::string& json_object) {
   std::string* msg = new std::string(json_object);
   main_wnd_->QueueUIThreadCallback(SEND_MESSAGE_TO_PEER, msg);
 }