Fix style errors in core/xml/.

Source/core/xml/XMLErrors.cpp

 /*
  * Copyright (C) 2011 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:
  *
  * 1. Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *
@@ skipping 43 matching lines @@
     visitor->trace(m_document);
 }
 
 void XMLErrors::handleError(ErrorType type, const char* message, int lineNumber, int columnNumber)
 {
     handleError(type, message, TextPosition(OrdinalNumber::fromOneBasedInt(lineNumber), OrdinalNumber::fromOneBasedInt(columnNumber)));
 }
 
 void XMLErrors::handleError(ErrorType type, const char* message, TextPosition position)
 {
-    if (type == fatal || (m_errorCount < maxErrors && m_lastErrorPosition.m_line != position.m_line && m_lastErrorPosition.m_column != position.m_column)) {
+    if (type == ErrorTypeFatal || (m_errorCount < maxErrors && m_lastErrorPosition.m_line != position.m_line && m_lastErrorPosition.m_column != position.m_column)) {
         switch (type) {
-        case warning:
+        case ErrorTypeWarning:
             appendErrorMessage("warning", position, message);
             break;
-        case fatal:
-        case nonFatal:
+        case ErrorTypeFatal:
+        case ErrorTypeNonFatal:
             appendErrorMessage("error", position, message);
         }
 
         m_lastErrorPosition = position;
         ++m_errorCount;
     }
 }
 
 void XMLErrors::appendErrorMessage(const String& typeString, TextPosition position, const char* message)
 {
@@ skipping 83 matching lines @@
     if (firstChild)
         documentElement->parserInsertBefore(reportElement, *firstChild);
     else
         documentElement->parserAppendChild(reportElement);
 
     // FIXME: Why do we need to call this manually?
     m_document->updateRenderTreeIfNeeded();
 }
 
 } // namespace WebCore