[DOM4] Have ProcessingInstruction inherit CharacterData

Source/core/dom/CharacterData.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 11 matching lines @@
 #include "config.h"
 #include "core/dom/CharacterData.h"
 
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/Document.h"
 #include "core/dom/EventNames.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/MutationEvent.h"
 #include "core/dom/MutationObserverInterestGroup.h"
 #include "core/dom/MutationRecord.h"
+#include "core/dom/ProcessingInstruction.h"
 #include "core/dom/Text.h"
 #include "core/editing/FrameSelection.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/platform/text/TextBreakIterator.h"
 
 using namespace std;
 
 namespace WebCore {
 
 void CharacterData::atomize()
@@ skipping 151 matching lines @@
 
 void CharacterData::setDataAndUpdate(const String& newData, unsigned offsetOfReplacedData, unsigned oldLength, unsigned newLength)
 {
     String oldData = m_data;
     m_data = newData;
 
     ASSERT(!renderer() || isTextNode());
     if (isTextNode())
         toText(this)->updateTextRenderer(offsetOfReplacedData, oldLength);
 
+    if (nodeType() == PROCESSING_INSTRUCTION_NODE)
+        toProcessingInstruction(this)->checkStyleSheet();
+
     if (document()->frame())
         document()->frame()->selection()->textWasReplaced(this, offsetOfReplacedData, oldLength, newLength);
 
     document()->incDOMTreeVersion();
     didModifyData(oldData);
 }
 
 void CharacterData::didModifyData(const String& oldData)
 {
     if (OwnPtr<MutationObserverInterestGroup> mutationRecipients = MutationObserverInterestGroup::createForCharacterDataMutation(this))
@@ skipping 14 matching lines @@
 {
     return static_cast<int>(length());
 }
 
 bool CharacterData::offsetInCharacters() const
 {
     return true;
 }
 
 } // namespace WebCore