Rename ENABLE(RUBBER_BANDING) to USE(RUBBER_BANDING).

Source/config.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2013 Apple Inc.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 88 matching lines @@
 #define WTF_USE_LOW_QUALITY_IMAGE_INTERPOLATION 1
 #define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_DITHERING 1
 #define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_FANCY_UPSAMPLING 1
 #else
 #define WTF_USE_ICCJPEG 1
 #define WTF_USE_QCMSLIB 1
 #endif
 
 #if OS(MACOSX)
 #define WTF_USE_CF 1
+#define WTF_USE_RUBBER_BANDING 1
 
 /* We can't override the global operator new and delete on OS(MACOSX) because
  * some object are allocated by WebKit and deallocated by the embedder. */
 #else /* !OS(MACOSX) */
 /* On non-OS(MACOSX), the "system malloc" is actually TCMalloc anyway, so there's
  * no need to use WebKit's copy of TCMalloc. */
 #define WTF_USE_SYSTEM_MALLOC 1
 #endif /* OS(MACOSX) */
 
 #if !defined(HAVE_ACCESSIBILITY)
@@ skipping 56 matching lines @@
 #define SKIP_STATIC_CONSTRUCTORS_ON_GCC 1
 #endif
 
 #ifndef __STDC_FORMAT_MACROS
 #define __STDC_FORMAT_MACROS 1
 #endif
 
 #if OS(LINUX) || OS(ANDROID)
 #define WTF_USE_HARFBUZZ 1
 #endif