Moving all the PlatformEvent subclasses from core/platform to platform

Source/core/platform/mac/ScrollElasticityController.mm

 /*
  * Copyright (C) 2011 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY 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/mac/ScrollElasticityController.h"
 
+#include "platform/PlatformWheelEvent.h"
 #include <sys/sysctl.h>
 #include <sys/time.h>
-#include "core/platform/PlatformWheelEvent.h"
 
 #if USE(RUBBER_BANDING)
 
 static NSTimeInterval systemUptime()
 {
     if ([[NSProcessInfo processInfo] respondsToSelector:@selector(systemUptime)])
         return [[NSProcessInfo processInfo] systemUptime];
 
     // Get how long system has been up. Found by looking getting "boottime" from the kernel.
     static struct timeval boottime = {0, 0};
@@ skipping 377 matching lines @@
         return m_client->shouldRubberBandInDirection(ScrollLeft);
     if (wheelEvent.deltaX() < 0)
         return m_client->shouldRubberBandInDirection(ScrollRight);
 
     return true;
 }
 
 } // namespace WebCore
 
 #endif // USE(RUBBER_BANDING)