Oilpan: Introduce TempRangeScope to avoid needless Range attaches on Document.

Source/core/editing/SpellChecker.cpp

Index: Source/core/editing/SpellChecker.cpp
diff --git a/Source/core/editing/SpellChecker.cpp b/Source/core/editing/SpellChecker.cpp
index 3253554d87a7d546ca23273e7532bf11eac85f70..3ad184725ea75070c277a1ddd4f24e6dcb98b5f4 100644
--- a/Source/core/editing/SpellChecker.cpp
+++ b/Source/core/editing/SpellChecker.cpp
@@ -331,6 +331,7 @@ void SpellChecker::markMisspellingsAndBadGrammar(const VisibleSelection &movingS
 
 void SpellChecker::markMisspellingsAfterTypingToWord(const VisiblePosition &wordStart, const VisibleSelection& selectionAfterTyping)
 {
+    TempRangeScope scope;
     if (unifiedTextCheckerEnabled()) {
         TextCheckingTypeMask textCheckingOptions = 0;
 
@@ -741,11 +742,14 @@ void SpellChecker::respondToChangedSelection(const VisibleSelection& oldSelectio
             spellCheckOldSelection(oldSelection, newAdjacentWords, newSelectedSentence);
         }
 
+
         if (textChecker().shouldEraseMarkersAfterChangeSelection(TextCheckingTypeSpelling)) {
+            TempRangeScope scope;
             if (RefPtrWillBeRawPtr<Range> wordRange = newAdjacentWords.toNormalizedRange())
                 m_frame.document()->markers().removeMarkers(wordRange.get(), DocumentMarker::Spelling);
         }
         if (textChecker().shouldEraseMarkersAfterChangeSelection(TextCheckingTypeGrammar)) {
+            TempRangeScope scope;
             if (RefPtrWillBeRawPtr<Range> sentenceRange = newSelectedSentence.toNormalizedRange())
                 m_frame.document()->markers().removeMarkers(sentenceRange.get(), DocumentMarker::Grammar);
         }