FBTF: Remove unneeded headers from base/ (part 2)

chrome_frame/urlmon_url_request.h

 // Copyright (c) 2009 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_FRAME_URLMON_URL_REQUEST_H_
 #define CHROME_FRAME_URLMON_URL_REQUEST_H_
 
 #include <urlmon.h>
 #include <atlbase.h>
 #include <atlcom.h>
 #include <map>
 #include <string>
 
 #include "base/lock.h"
 #include "base/thread.h"
-#include "base/waitable_event.h"
 #include "chrome_frame/plugin_url_request.h"
 #include "chrome_frame/urlmon_moniker.h"
 #include "chrome_frame/utils.h"
 
 class UrlmonUrlRequest;
 
 class UrlmonUrlRequestManager
     : public PluginUrlRequestManager,
       public PluginUrlRequestDelegate {
  public:
@@ skipping 94 matching lines @@
   // The window to be used to fire notifications on.
   HWND notification_window_;
   // Set to true if the ChromeFrame instance is running in privileged mode.
   bool privileged_mode_;
   // A pointer to the containing object. We maintain a weak reference to avoid
   // lifetime issues.
   IUnknown* container_;
 };
 
 #endif  // CHROME_FRAME_URLMON_URL_REQUEST_H_