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

chrome/service/remoting/chromoting_host_manager.cc

Index: chrome/service/remoting/chromoting_host_manager.cc
diff --git a/chrome/service/remoting/chromoting_host_manager.cc b/chrome/service/remoting/chromoting_host_manager.cc
index 3b73a9f913e310272aed40128c87356fda721de0..740f8fdf69d975d8c68e90b910900d67e3cd7c71 100644
--- a/chrome/service/remoting/chromoting_host_manager.cc
+++ b/chrome/service/remoting/chromoting_host_manager.cc
@@ -165,7 +165,8 @@ void ChromotingHostManager::Start() {
     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.