Consolidate read-only exception throwing for SVG*TearOffs

third_party/WebKit/Source/core/svg/SVGStringListTearOff.h

 /*
  * Copyright (C) 2014 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:
  *
  *     * 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 13 matching lines @@
  * 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 THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef SVGStringListTearOff_h
 #define SVGStringListTearOff_h
 
-#include "core/dom/ExceptionCode.h"
+#include "bindings/core/v8/ScriptWrappable.h"
 #include "core/svg/SVGStringList.h"
 #include "core/svg/properties/SVGPropertyTearOff.h"
 
 namespace blink {
 
 class SVGStringListTearOff : public SVGPropertyTearOff<SVGStringList>, public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static SVGStringListTearOff* create(SVGStringList* target, SVGElement* contextElement, PropertyIsAnimValType propertyIsAnimVal, const QualifiedName& attributeName = QualifiedName::null())
     {
         return new SVGStringListTearOff(target, contextElement, propertyIsAnimVal, attributeName);
     }
 
     // SVGStringList DOM interface:
 
     // WebIDL requires "unsigned long" type instead of size_t.
     unsigned long length()
     {
         return target()->length();
     }
 
     void clear(ExceptionState& exceptionState)
     {
         if (isImmutable()) {
-            exceptionState.throwDOMException(NoModificationAllowedError, "The object is read-only.");
+            throwReadOnly(exceptionState);
             return;
         }
-
         target()->clear();
         commitChange();
     }
 
     String initialize(const String& item, ExceptionState& exceptionState)
     {
         if (isImmutable()) {
-            exceptionState.throwDOMException(NoModificationAllowedError, "The object is read-only.");
+            throwReadOnly(exceptionState);
             return String();
         }
-
         target()->initialize(item);
         commitChange();
-
         return item;
     }
 
     String getItem(unsigned long index, ExceptionState& exceptionState)
     {
         return target()->getItem(index, exceptionState);
     }
 
     String insertItemBefore(const String& item, unsigned long index, ExceptionState& exceptionState)
     {
         if (isImmutable()) {
-            exceptionState.throwDOMException(NoModificationAllowedError, "The object is read-only.");
+            throwReadOnly(exceptionState);
             return String();
         }
-
         target()->insertItemBefore(item, index);
         commitChange();
-
         return item;
     }
 
     String replaceItem(const String& item, unsigned long index, ExceptionState& exceptionState)
     {
         if (isImmutable()) {
-            exceptionState.throwDOMException(NoModificationAllowedError, "The object is read-only.");
+            throwReadOnly(exceptionState);
             return String();
         }
-
         target()->replaceItem(item, index, exceptionState);
         commitChange();
-
         return item;
     }
 
     bool anonymousIndexedSetter(unsigned index, const String& item, ExceptionState& exceptionState)
     {
         replaceItem(item, index, exceptionState);
         return true;
     }
 
     String removeItem(unsigned long index, ExceptionState& exceptionState)
     {
         if (isImmutable()) {
-            exceptionState.throwDOMException(NoModificationAllowedError, "The object is read-only.");
+            throwReadOnly(exceptionState);
             return String();
         }
-
         String removedItem = target()->removeItem(index, exceptionState);
         commitChange();
-
         return removedItem;
     }
 
     String appendItem(const String& item, ExceptionState& exceptionState)
     {
         if (isImmutable()) {
-            exceptionState.throwDOMException(NoModificationAllowedError, "The object is read-only.");
+            throwReadOnly(exceptionState);
             return String();
         }
-
         target()->appendItem(item);
         commitChange();
-
         return item;
     }
 
     DECLARE_VIRTUAL_TRACE_WRAPPERS();
 
 protected:
     SVGStringListTearOff(SVGStringList*, SVGElement*, PropertyIsAnimValType, const QualifiedName&);
 };
 
 } // namespace blink
 
 #endif // SVGStringListTearOff_h