Making Unicode character names consistent

Source/wtf/text/StringBuilderTest.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 303 matching lines @@
         builder.append("abc");
         String substring = builder.substring(2, 10);
         ASSERT_EQ(String("c"), substring);
     }
 }
 
 TEST(StringBuilderTest, AppendNumberDoubleUChar)
 {
     const double someNumber = 1.2345;
     StringBuilder reference;
-    reference.append(replacementCharacter); // Make it UTF-16.
+    reference.append(characterReplacement); // Make it UTF-16.
     reference.append(String::number(someNumber));
     StringBuilder test;
-    test.append(replacementCharacter);
+    test.append(characterReplacement);
     test.appendNumber(someNumber);
     ASSERT_EQ(reference, test);
 }
 
 } // namespace