Add context to generated named and indexed property operations.

Source/core/dom/DatasetDOMStringMap.cpp

 /*
  * Copyright (C) 2010 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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 #include "config.h"
 #include "core/dom/DatasetDOMStringMap.h"
 
-#include "bindings/v8/ExceptionMessages.h"
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/Attribute.h"
 #include "core/dom/Element.h"
 #include "core/dom/ExceptionCode.h"
 #include "wtf/ASCIICType.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace WebCore {
 
 static bool isValidAttributeName(const String& name)
@@ skipping 150 matching lines @@
         if (propertyNameMatchesAttributeName(name, attribute->localName()))
             return true;
     }
 
     return false;
 }
 
 void DatasetDOMStringMap::setItem(const String& name, const String& value, ExceptionState& exceptionState)
 {
     if (!isValidPropertyName(name)) {
-        exceptionState.throwDOMException(SyntaxError, ExceptionMessages::failedToSet(name, "DOMStringMap", "'" + name + "' is not a valid property name."));
+        exceptionState.throwDOMException(SyntaxError, "'" + name + "' is not a valid property name.");
         return;
     }
 
     m_element->setAttribute(convertPropertyNameToAttributeName(name), AtomicString(value), exceptionState);
 }
 
 bool DatasetDOMStringMap::deleteItem(const String& name)
 {
     if (isValidPropertyName(name)) {
         AtomicString attributeName = convertPropertyNameToAttributeName(name);
         if (m_element->hasAttribute(attributeName)) {
             m_element->removeAttribute(attributeName);
             return true;
         }
     }
     return false;
 }
 
 } // namespace WebCore