Reduce the amount of included header files. Vast change like in "Oh God! This...

chrome/browser/renderer_host/render_widget_host_view_win.h

 // Copyright (c) 2006-2008 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_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <atlcrack.h>
 #include <atlmisc.h>
 
-#include "base/basictypes.h"
-#include "base/gfx/size.h"
-#include "base/scoped_handle.h"
-#include "base/shared_memory.h"
 #include "base/task.h"
 #include "chrome/browser/ime_input.h"
 #include "chrome/browser/renderer_host/render_widget_host_view.h"
 #include "webkit/glue/webcursor.h"
 
 namespace gfx {
+class Size;
 class Rect;
 }
 namespace IPC {
 class Message;
 }
 class RenderWidgetHost;
 class WebMouseEvent;
 
 typedef CWinTraits<WS_CHILD | WS_CLIPCHILDREN | WS_CLIPSIBLINGS, 0>
     RenderWidgetHostHWNDTraits;
@@ skipping 244 matching lines @@
   // Whether the renderer is made accessible.
   // TODO(jcampan): http://b/issue?id=1432077 This is a temporary work-around
   // until that bug is fixed.
   bool renderer_accessible_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewWin);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_WIN_H_