Remove ~1750 superfluous includes from core

Source/core/platform/ScrollAnimatorNone.cpp

 /*
  * Copyright (c) 2011, Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * THEORY 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/ScrollAnimatorNone.h"
 
 #include <algorithm>
-#include "core/platform/NotImplemented.h"
-#include "core/platform/PlatformGestureEvent.h"
 #include "core/platform/ScrollableArea.h"
-#include "core/platform/ScrollbarTheme.h"
 #include "core/platform/graphics/FloatPoint.h"
 #include <wtf/CurrentTime.h>
 #include <wtf/OwnArrayPtr.h>
 #include <wtf/PassOwnPtr.h>
 
 #include "core/platform/chromium/TraceEvent.h"
 
 using namespace std;
 
 namespace WebCore {
@@ skipping 475 matching lines @@
     return m_animationActive;
 }
 
 void ScrollAnimatorNone::stopAnimationTimerIfNeeded()
 {
     if (animationTimerActive())
         m_animationActive = false;
 }
 
 } // namespace WebCore