Use XDamage in Virtual Me2Me.

remoting/host/remoting_me2me_host.cc

 // Copyright (c) 2011 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.
 //
 // This file implements a standalone host process for Me2Me, which is currently
 // used for the Linux-only Virtual Me2Me build.
 
 #include <stdlib.h>
 
 #include <string>
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/threading/thread.h"
 #include "build/build_config.h"
 #include "crypto/nss_util.h"
 #include "remoting/base/constants.h"
+#include "remoting/host/capturer.h"
 #include "remoting/host/chromoting_host.h"
 #include "remoting/host/chromoting_host_context.h"
 #include "remoting/host/desktop_environment.h"
 #include "remoting/host/event_executor.h"
 #include "remoting/host/heartbeat_sender.h"
 #include "remoting/host/host_config.h"
 #include "remoting/host/json_host_config.h"
 
 #if defined(TOOLKIT_USES_GTK)
 #include "ui/gfx/gtk_util.h"
@@ skipping 26 matching lines @@
       auth_config_path_ = cmd_line->GetSwitchValuePath(kAuthConfigSwitchName);
     } else {
       auth_config_path_ = default_config_dir.Append(kDefaultAuthConfigFile);
     }
 
     if (cmd_line->HasSwitch(kHostConfigSwitchName)) {
       host_config_path_ = cmd_line->GetSwitchValuePath(kHostConfigSwitchName);
     } else {
       host_config_path_ = default_config_dir.Append(kDefaultHostConfigFile);
     }
+
+#if defined(OS_LINUX)
+    Capturer::EnableXDamage(true);
+#endif
   }
 
   int Run() {
     // |message_loop| is declared early so that any code we call into which
     // requires a current message-loop won't complain.
     // It needs to be a UI message loop to keep runloops spinning on the Mac.
     MessageLoop message_loop(MessageLoop::TYPE_UI);
 
     remoting::ChromotingHostContext context(base::MessageLoopProxy::current());
     context.Start();
@@ skipping 103 matching lines @@
   // Continue windows, though these should not be used for the Me2Me case
   // (crbug.com/104377).
   gfx::GtkInitFromCommandLine(*cmd_line);
 #endif  // TOOLKIT_USES_GTK
 
   remoting::HostProcess me2me_host;
   me2me_host.InitWithCommandLine(cmd_line);
 
   return me2me_host.Run();
 }