Finish removing WebKitSystemInterface from Blink.

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
@@ skipping 11 matching lines @@
  * 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 <sys/sysctl.h>
 #include <sys/time.h>
 #include "core/platform/PlatformWheelEvent.h"
-#include "core/platform/mac/WebCoreSystemInterface.h"
 
 #if ENABLE(RUBBER_BANDING)
 
 #if __MAC_OS_X_VERSION_MIN_REQUIRED == 1050
 @interface NSProcessInfo (ScrollAnimatorMacExt)
 - (NSTimeInterval)systemUptime;
 @end
 #endif
 
 #if ENABLE(RUBBER_BANDING)
@@ skipping 371 matching lines @@
         return m_client->shouldRubberBandInDirection(ScrollLeft);
     if (wheelEvent.deltaX() < 0)
         return m_client->shouldRubberBandInDirection(ScrollRight);
 
     return true;
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(RUBBER_BANDING)