Make FrameSelection to utilize SynchronousMutationObserver

third_party/WebKit/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, 2013 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 174 matching lines @@
   DCHECK(!layoutObject() || isTextNode());
   if (isTextNode())
     toText(this)->updateTextLayoutObject(offsetOfReplacedData, oldLength);
 
   if (source != UpdateFromParser) {
     if (getNodeType() == kProcessingInstructionNode)
       toProcessingInstruction(this)->didAttributeChanged();
 
     document().notifyUpdateCharacterData(this, offsetOfReplacedData, oldLength,
                                          newLength);
-
-    if (document().frame())
-      document().frame()->selection().didUpdateCharacterData(
-          this, offsetOfReplacedData, oldLength, newLength);
   }
 
   document().incDOMTreeVersion();
   didModifyData(oldData, source);
 }
 
 void CharacterData::didModifyData(const String& oldData, UpdateSource source) {
   if (MutationObserverInterestGroup* mutationRecipients =
           MutationObserverInterestGroup::createForCharacterDataMutation(*this))
     mutationRecipients->enqueueMutationRecord(
@@ skipping 17 matching lines @@
     dispatchSubtreeModifiedEvent();
   }
   InspectorInstrumentation::characterDataModified(this);
 }
 
 int CharacterData::maxCharacterOffset() const {
   return static_cast<int>(length());
 }
 
 }  // namespace blink