Remove all uses of the ASCIILiteral class.

Source/weborigin/SecurityOrigin.cpp

 /*
  * Copyright (C) 2007 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
@@ skipping 469 matching lines @@
 
     if (isLocal() && !passesFileCheck(other))
         return false;
 
     return true;
 }
 
 const String& SecurityOrigin::urlWithUniqueSecurityOrigin()
 {
     ASSERT(isMainThread());
-    DEFINE_STATIC_LOCAL(const String, uniqueSecurityOriginURL, (ASCIILiteral("data:,")));
+    DEFINE_STATIC_LOCAL(const String, uniqueSecurityOriginURL, ("data:,"));
     return uniqueSecurityOriginURL;
 }
 
 } // namespace WebCore