Remove support for the LEGACY_CSS_VENDOR_PREFIXES compile-time flag.

Source/WebCore/bindings/generic/RuntimeEnabledFeatures.h

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 183 matching lines @@
     static bool mediaStreamEnabled() { return isMediaStreamEnabled; }
     static void setMediaStreamEnabled(bool isEnabled) { isMediaStreamEnabled = isEnabled; }
     static bool webkitGetUserMediaEnabled() { return isMediaStreamEnabled; }
     static bool webkitMediaStreamEnabled() { return isMediaStreamEnabled; }
 
     static bool peerConnectionEnabled() { return isMediaStreamEnabled && isPeerConnectionEnabled; }
     static void setPeerConnectionEnabled(bool isEnabled) { isPeerConnectionEnabled = isEnabled; }
     static bool webkitRTCPeerConnectionEnabled() { return peerConnectionEnabled(); }
 #endif
 
-#if ENABLE(LEGACY_CSS_VENDOR_PREFIXES)
-    static void setLegacyCSSVendorPrefixesEnabled(bool isEnabled) { isLegacyCSSVendorPrefixesEnabled = isEnabled; }
-    static bool legacyCSSVendorPrefixesEnabled() { return isLegacyCSSVendorPrefixesEnabled; }
-#endif
-
 #if ENABLE(GAMEPAD)
     static void setWebkitGetGamepadsEnabled(bool isEnabled) { isGamepadEnabled = isEnabled; }
     static bool webkitGetGamepadsEnabled() { return isGamepadEnabled; }
 #endif
 
 #if ENABLE(QUOTA)
     static bool quotaEnabled() { return isQuotaEnabled; }
     static void setQuotaEnabled(bool isEnabled) { isQuotaEnabled = isEnabled; }
 #endif
 
@@ skipping 118 matching lines @@
 
 #if ENABLE(MEDIA_STREAM)
     static bool isMediaStreamEnabled;
     static bool isPeerConnectionEnabled;
 #endif
 
 #if ENABLE(GAMEPAD)
     static bool isGamepadEnabled;
 #endif
 
-#if ENABLE(LEGACY_CSS_VENDOR_PREFIXES)
-    static bool isLegacyCSSVendorPrefixesEnabled;
-#endif
-
 #if ENABLE(QUOTA)
     static bool isQuotaEnabled;
 #endif
 
 #if ENABLE(FULLSCREEN_API)
     static bool isFullScreenAPIEnabled;
 #endif
 
 #if ENABLE(MEDIA_SOURCE)
     static bool isMediaSourceEnabled;
@@ skipping 63 matching lines @@
 
 #if ENABLE(FONT_LOAD_EVENTS)
     static bool isFontLoadEventsEnabled;
 #endif
 
 };
 
 } // namespace WebCore
 
 #endif // RuntimeEnabledFeatures_h