Remove ~1750 superfluous includes from core

Source/core/platform/ScrollView.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 #include "config.h"
 #include "core/platform/ScrollView.h"
 
 #include "core/accessibility/AXObjectCache.h"
 #include "core/platform/HostWindow.h"
-#include "core/platform/PlatformMouseEvent.h"
-#include "core/platform/PlatformWheelEvent.h"
-#include "core/platform/ScrollAnimator.h"
 #include "core/platform/Scrollbar.h"
 #include "core/platform/ScrollbarTheme.h"
 #include "core/platform/graphics/GraphicsContextStateSaver.h"
 #include "core/platform/graphics/GraphicsLayer.h"
 #include <wtf/StdLibExtras.h>
 
 using namespace std;
 
 namespace WebCore {
 
@@ skipping 1214 matching lines @@
 {
 }
 
 bool ScrollView::platformIsOffscreen() const
 {
     return false;
 }
 
 
 }