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

chrome/renderer/cookie_message_filter.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_RENDERER_COOKIE_MESSAGE_FILTER_H_
 #define CHROME_RENDERER_COOKIE_MESSAGE_FILTER_H_
 #pragma once
 
-#include "base/waitable_event.h"
+#include "base/synchronization/waitable_event.h"
 #include "ipc/ipc_channel_proxy.h"
 
 // This class maintains a WaitableEvent that is signaled when an IPC to query
 // cookies from the browser should pump events.  Pumping events may be
 // necessary to avoid deadlocks if the browser blocks the cookie query on a
 // user prompt.
 class CookieMessageFilter : public IPC::ChannelProxy::MessageFilter {
  public:
   CookieMessageFilter();
 
   base::WaitableEvent* pump_messages_event() { return &event_; }
   void ResetPumpMessagesEvent() { event_.Reset(); }
 
  private:
   // IPC::ChannelProxy::MessageFilter implementation:
   virtual bool OnMessageReceived(const IPC::Message& message);
 
   base::WaitableEvent event_;
 };
 
 #endif  // CHROME_RENDERER_COOKIE_MESSAGE_FILTER_H_