Adding a word to dictionary should remove spelling markers

Source/core/editing/SpellChecker.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 806 matching lines @@
         m_frame.document()->markers().removeMarkers(DocumentMarker::Spelling);
     if (!isContinuousGrammarCheckingEnabled)
         m_frame.document()->markers().removeMarkers(DocumentMarker::Grammar);
 }
 
 void SpellChecker::removeSpellingMarkers()
 {
     m_frame.document()->markers().removeMarkers(DocumentMarker::MisspellingMarkers());
 }
 
+void SpellChecker::removeSpellingMarkersUnderWords(const Vector<String>& words)
+{
+    Document& document = *m_frame.document();
+    DocumentMarkerController& markerController = document.markers();
+
+    MarkerRemoverPredicate removerPredicate(document, words);
+    markerController.removeMarkers(removerPredicate);
+
+    markerController.repaintMarkers();
+}
+
 void SpellChecker::spellCheckAfterBlur()
 {
     if (!m_frame.selection().selection().isContentEditable())
         return;
 
     if (isSelectionInTextField(m_frame.selection().selection())) {
         // textFieldDidEndEditing() and textFieldDidBeginEditing() handle this.
         return;
     }
 
@@ skipping 81 matching lines @@
 }
 
 void SpellChecker::requestTextChecking(const Element& element)
 {
     RefPtrWillBeRawPtr<Range> rangeToCheck = rangeOfContents(const_cast<Element*>(&element));
     m_spellCheckRequester->requestCheckingFor(SpellCheckRequest::create(TextCheckingTypeSpelling | TextCheckingTypeGrammar, TextCheckingProcessBatch, rangeToCheck, rangeToCheck));
 }
 
 
 } // namespace blink