Move CancellationFlag and WaitableEvent to the synchronization subdirectory....

remoting/client/chromoting_view.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 "remoting/client/chromoting_view.h"
 
 #include "base/message_loop.h"
-#include "base/waitable_event.h"
+#include "base/synchronization/waitable_event.h"
 #include "remoting/base/tracer.h"
 
 namespace remoting {
 
 ChromotingView::ChromotingView()
     : frame_width_(0),
       frame_height_(0) {
 }
 
 ChromotingView::~ChromotingView() {}
 
 // TODO(garykac): This assumes a single screen. This will need to be adjusted
 // to add support for mulitple monitors.
 void ChromotingView::GetScreenSize(int* width, int* height) {
   *width = frame_width_;
   *height = frame_height_;
 }
 
 }  // namespace remoting