Oilpan: move Range object to the oilpan heap.

Source/web/ContextMenuClientImpl.cpp

Index: Source/web/ContextMenuClientImpl.cpp
diff --git a/Source/web/ContextMenuClientImpl.cpp b/Source/web/ContextMenuClientImpl.cpp
index e15b951f6a5000217ab3c618d581b7c245ebc116..fd1b3219aa96b5ff4e590986859f31634fec8878 100644
--- a/Source/web/ContextMenuClientImpl.cpp
+++ b/Source/web/ContextMenuClientImpl.cpp
@@ -158,14 +158,14 @@ static String selectMisspellingAsync(LocalFrame* selectedFrame, DocumentMarker&
         return String();
 
     // Caret and range selections always return valid normalized ranges.
-    RefPtr<Range> selectionRange = selection.toNormalizedRange();
+    RefPtrWillBeRawPtr<Range> selectionRange = selection.toNormalizedRange();
     Vector<DocumentMarker*> markers = selectedFrame->document()->markers().markersInRange(selectionRange.get(), DocumentMarker::MisspellingMarkers());
     if (markers.size() != 1)
         return String();
     marker = *markers[0];
 
     // Cloning a range fails only for invalid ranges.
-    RefPtr<Range> markerRange = selectionRange->cloneRange(ASSERT_NO_EXCEPTION);
+    RefPtrWillBeRawPtr<Range> markerRange = selectionRange->cloneRange(ASSERT_NO_EXCEPTION);
     markerRange->setStart(markerRange->startContainer(), marker.startOffset());
     markerRange->setEnd(markerRange->endContainer(), marker.endOffset());