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

chrome/browser/aeropeek_manager.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_BROWSER_AEROPEEK_MANAGER_H_
 #define CHROME_BROWSER_AEROPEEK_MANAGER_H_
 #pragma once
 
+#include <windows.h>
+
 #include <list>
 
-#include "base/waitable_event.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "gfx/insets.h"
 
 namespace gfx {
 class Size;
 }
 class TabContents;
 class AeroPeekWindow;
 class SkBitmap;
 
@@ skipping 155 matching lines @@
   // preview image can use transparent colors only in the frame area.
   int toolbar_top_;
 
   // The margins of the "user-perceived content area".
   // This value is used for pasting a tab image onto this "user-perceived
   // content area" when creating a preview image.
   gfx::Insets content_insets_;
 };
 
 #endif  // CHROME_BROWSER_AEROPEEK_MANAGER_H_