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

chrome/service/service_process.h

 // 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.
 
 #ifndef CHROME_SERVICE_SERVICE_PROCESS_H_
 #define CHROME_SERVICE_SERVICE_PROCESS_H_
 #pragma once
 
 #include <string>
 
@@ skipping 16 matching lines @@
 
 // The ServiceProcess does not inherit from ChildProcess because this
 // process can live independently of the browser process.
 class ServiceProcess : public CloudPrintProxy::Client,
                        public remoting::ChromotingHostManager::Observer {
  public:
   ServiceProcess();
   ~ServiceProcess();
 
   // Initialize the ServiceProcess with the message loop that it should run on.
-  bool Initialize(MessageLoop* message_loop, const CommandLine& command_line);
+  bool Initialize(MessageLoopForUI* message_loop,
+                  const CommandLine& command_line);
   bool Teardown();
   // TODO(sanjeevr): Change various parts of the code such as
   // net::ProxyService::CreateSystemProxyConfigService to take in
   // MessageLoopProxy* instead of MessageLoop*. When we have done that, we can
   // remove the io_thread() and file_thread() accessors and replace them with
   // io_message_loop_proxy() and file_message_loop_proxy() respectively.
 
   // Returns the thread that we perform I/O coordination on (network requests,
   // communication with renderers, etc.
   // NOTE: You should ONLY use this to pass to IPC or other objects which must
@@ skipping 83 matching lines @@
 #if defined(ENABLE_REMOTING)
   scoped_refptr<remoting::ChromotingHostManager> remoting_host_manager_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(ServiceProcess);
 };
 
 extern ServiceProcess* g_service_process;
 
 #endif  // CHROME_SERVICE_SERVICE_PROCESS_H_