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

webrtc/examples/peerconnection/client/linux/main.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 12 matching lines @@
   CustomSocketServer(rtc::Thread* thread, GtkMainWnd* wnd)
       : thread_(thread), wnd_(wnd), conductor_(NULL), client_(NULL) {}
   virtual ~CustomSocketServer() {}
 
   void set_client(PeerConnectionClient* client) { client_ = client; }
   void set_conductor(Conductor* conductor) { conductor_ = conductor; }
 
   // Override so that we can also pump the GTK message loop.
   virtual bool Wait(int cms, bool process_io) {
     // Pump GTK events.
-    // TODO: We really should move either the socket server or UI to a
+    // TODO(henrike): We really should move either the socket server or UI to a
     // different thread.  Alternatively we could look at merging the two loops
     // by implementing a dispatcher for the socket server and/or use
     // g_main_context_set_poll_func.
       while (gtk_events_pending())
         gtk_main_iteration();
 
     if (!wnd_->IsWindow() && !conductor_->connection_active() &&
         client_ != NULL && !client_->is_connected()) {
       thread_->Quit();
     }
@@ skipping 45 matching lines @@
       new rtc::RefCountedObject<Conductor>(&client, &wnd));
   socket_server.set_client(&client);
   socket_server.set_conductor(conductor);
 
   thread->Run();
 
   // gtk_main();
   wnd.Destroy();
 
   thread->set_socketserver(NULL);
-  // TODO: Run the Gtk main loop to tear down the connection.
-  //while (gtk_events_pending()) {
-  //  gtk_main_iteration();
-  //}
+  // TODO(henrike): Run the Gtk main loop to tear down the connection.
+  /*
+  while (gtk_events_pending()) {
+    gtk_main_iteration();
+  }
+  */
   rtc::CleanupSSL();
   return 0;
 }