Rename ExceptionCode constants to use the names in the spec (2/3)

Source/core/html/canvas/CanvasPattern.cpp

 /*
  * Copyright (C) 2006, 2008 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 36 matching lines @@
     if (type == "repeat-x") {
         repeatX = true;
         repeatY = false;
         return;
     }
     if (type == "repeat-y") {
         repeatX = false;
         repeatY = true;
         return;
     }
-    ec = SYNTAX_ERR;
+    ec = SyntaxError;
 }
 
 CanvasPattern::CanvasPattern(PassRefPtr<Image> image, bool repeatX, bool repeatY, bool originClean)
     : m_pattern(Pattern::create(image, repeatX, repeatY))
     , m_originClean(originClean)
 {
     ScriptWrappable::init(this);
 }
 
 }