Run event executor on the ui thread to remove the need to explicitly XFlush() the XTest calls.

chrome/service/remoting/chromoting_host_manager.cc

 // Copyright (c) 2010 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 "chrome/service/remoting/chromoting_host_manager.h"
 
 #include "base/path_service.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/guid.h"
 #include "chrome/common/remoting/chromoting_host_info.h"
 #include "net/base/net_util.h"
 #include "remoting/base/constants.h"
 #include "remoting/host/chromoting_host_context.h"
 #include "remoting/host/json_host_config.h"
 
 namespace remoting {
 
 ChromotingHostManager::ChromotingHostManager(Observer* observer)
     : observer_(observer) {
 }
 
 void ChromotingHostManager::Initialize(
-    MessageLoop* main_message_loop,
+    MessageLoopForUI* main_message_loop,
     base::MessageLoopProxy* file_message_loop) {
   FilePath user_data_dir;
   PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
   FilePath chromoting_config_path =
       user_data_dir.Append(FILE_PATH_LITERAL(".ChromotingConfig.json"));
   remoting::JsonHostConfig* config = new remoting::JsonHostConfig(
       chromoting_config_path, file_message_loop);
   if (!config->Read()) {
     VLOG(1) << "Failed to read chromoting config file.";
   }
@@ skipping 124 matching lines @@
                                  enabled);
   chromoting_config_->Save();
 }
 
 void ChromotingHostManager::Start() {
   // Don't do anything if we already started.
   if (chromoting_host_.get())
     return;
 
   // Start the chromoting context first.
-  chromoting_context_.reset(new remoting::ChromotingHostContext());
+  chromoting_context_.reset(
+      new remoting::ChromotingHostContext(main_message_loop_));
   chromoting_context_->Start();
 
   // Create a chromoting host object.
   chromoting_host_ = remoting::ChromotingHost::Create(chromoting_context_.get(),
                                                       chromoting_config_);
 
   // Then start the chromoting host.
   // When ChromotingHost is shutdown because of failure or a request that
   // we made OnChromotingShutdown() is calls.
   chromoting_host_->Start(
@@ skipping 10 matching lines @@
   chromoting_context_.reset();
   chromoting_host_ = NULL;
 
   if (shutdown_task_.get()) {
     shutdown_task_->Run();
     shutdown_task_.reset();
   }
 }
 
 }  // namespace remoting