Rename ENABLE(RUBBER_BANDING) to USE(RUBBER_BANDING).

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 12 matching lines @@
  * 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"
 
-#if ENABLE(RUBBER_BANDING)
+#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};
     if (!boottime.tv_sec) {
         int mib[2] = {CTL_KERN, KERN_BOOTTIME};
@@ skipping 362 matching lines @@
     if (wheelEvent.deltaX() > 0)
         return m_client->shouldRubberBandInDirection(ScrollLeft);
     if (wheelEvent.deltaX() < 0)
         return m_client->shouldRubberBandInDirection(ScrollRight);
 
     return true;
 }
 
 } // namespace WebCore
 
-#endif // ENABLE(RUBBER_BANDING)
+#endif // USE(RUBBER_BANDING)