Remove usages of temporary Range objects that end up registered on the

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 785 matching lines @@
             && !isSelectionInTextField(oldSelection)
             && (isSelectionInTextArea(oldSelection) || oldSelection.isContentEditable())
             && oldSelection.start().inDocument()) {
             spellCheckOldSelection(oldSelection, newAdjacentWords);
         }
 
         // FIXME(http://crbug.com/382809):
         // shouldEraseMarkersAfterChangeSelection is true, we cause synchronous
         // layout.
         if (textChecker().shouldEraseMarkersAfterChangeSelection(TextCheckingTypeSpelling)) {
-            if (RefPtrWillBeRawPtr<Range> wordRange = newAdjacentWords.toNormalizedRange())
-                m_frame.document()->markers().removeMarkers(wordRange.get(), DocumentMarker::Spelling);
+            Position start, end;
+            if (newAdjacentWords.toNormalizedPositions(start, end))
+                m_frame.document()->markers().removeMarkers(start, end, DocumentMarker::Spelling);
         }
         if (textChecker().shouldEraseMarkersAfterChangeSelection(TextCheckingTypeGrammar)) {
-            if (RefPtrWillBeRawPtr<Range> sentenceRange = newSelectedSentence.toNormalizedRange())
-                m_frame.document()->markers().removeMarkers(sentenceRange.get(), DocumentMarker::Grammar);
+            Position start, end;
+            if (newSelectedSentence.toNormalizedPositions(start, end))
+                m_frame.document()->markers().removeMarkers(start, end, DocumentMarker::Grammar);
         }
     }
 
     // When continuous spell checking is off, existing markers disappear after the selection changes.
     if (!isContinuousSpellCheckingEnabled)
         m_frame.document()->markers().removeMarkers(DocumentMarker::Spelling);
     if (!isContinuousGrammarCheckingEnabled)
         m_frame.document()->markers().removeMarkers(DocumentMarker::Grammar);
 }
 
@@ skipping 105 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