Making Unicode character names consistent

Source/core/html/track/vtt/BufferedLineReaderTest.cpp

 /*
  * Copyright (C) 2013, Opera Software ASA. 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 268 matching lines @@
     ASSERT_TRUE(reader.getLine(line));
     ASSERT_EQ(line, "Y");
 }
 
 TEST(BufferedLineReader, NormalizedNUL)
 {
     BufferedLineReader reader;
     reader.append(String("X\0Y\n", 4));
     String line;
     ASSERT_TRUE(reader.getLine(line));
-    ASSERT_EQ(line[1], WTF::Unicode::replacementCharacter);
+    ASSERT_EQ(line[1], replacementCharacter);
 }
 
 } // namespace