Remove Dashboard support and supporting files.

Source/WTF/wtf/FeatureDefines.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  * Copyright (C) 2010, 2011 Research In Motion Limited. All rights reserved.
  * Copyright (C) 2013 Samsung Electronics. 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
@@ skipping 109 matching lines @@
 #if PLATFORM(MAC) && !PLATFORM(IOS)
 
 #if !defined(ENABLE_8BIT_TEXTRUN)
 #define ENABLE_8BIT_TEXTRUN 1
 #endif
 
 #if !defined(ENABLE_CSS_IMAGE_SET)
 #define ENABLE_CSS_IMAGE_SET 1
 #endif
 
-#if !defined(ENABLE_DASHBOARD_SUPPORT)
-#define ENABLE_DASHBOARD_SUPPORT 1
-#endif
-
 #if !defined(ENABLE_DELETION_UI)
 #define ENABLE_DELETION_UI 1
 #endif
 
 #if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1090
 #if !defined(ENABLE_ENCRYPTED_MEDIA)
 #define ENABLE_ENCRYPTED_MEDIA 1
 #endif
 #if !defined(ENABLE_ENCRYPTED_MEDIA_V2)
 #define ENABLE_ENCRYPTED_MEDIA_V2 1
@@ skipping 260 matching lines @@
 #endif
 
 #if !defined(ENABLE_CSS_VARIABLES)
 #define ENABLE_CSS_VARIABLES 0
 #endif
 
 #if !defined(ENABLE_CUSTOM_SCHEME_HANDLER)
 #define ENABLE_CUSTOM_SCHEME_HANDLER 0
 #endif
 
-#if !defined(ENABLE_DASHBOARD_SUPPORT)
-#define ENABLE_DASHBOARD_SUPPORT 0
-#endif
-
 #if !defined(ENABLE_DATALIST_ELEMENT)
 #define ENABLE_DATALIST_ELEMENT 0
 #endif
 
 #if !defined(ENABLE_DATA_TRANSFER_ITEMS)
 #define ENABLE_DATA_TRANSFER_ITEMS 0
 #endif
 
 #if !defined(ENABLE_DELETION_UI)
 #define ENABLE_DELETION_UI 0
@@ skipping 455 matching lines @@
 
 #if ENABLE(SVG_FONTS) && !ENABLE(SVG)
 #error "ENABLE(SVG_FONTS) requires ENABLE(SVG)"
 #endif
 
 #if ENABLE(VIDEO_TRACK) && !ENABLE(VIDEO)
 #error "ENABLE(VIDEO_TRACK) requires ENABLE(VIDEO)"
 #endif
 
 #endif /* WTF_FeatureDefines_h */