Oilpan: move Range object to the oilpan heap.

Source/web/mac/WebSubstringUtil.mm

 /*
  * Copyright (C) 2005, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 98 matching lines @@
 }
 
 namespace blink {
 
 NSAttributedString* WebSubstringUtil::attributedWordAtPoint(WebView* view, WebPoint point, WebPoint& baselinePoint)
 {
     HitTestResult result = view->hitTestResultAt(point);
     LocalFrame* frame = result.targetNode()->document().frame();
     FrameView* frameView = frame->view();
 
-    RefPtr<Range> range = frame->rangeForPoint(result.roundedPointInInnerNodeFrame());
+    RefPtrWillBeRawPtr<Range> range = frame->rangeForPoint(result.roundedPointInInnerNodeFrame());
     if (!range)
         return nil;
 
     // Expand to word under point.
     VisibleSelection selection(range.get());
     selection.expandUsingGranularity(WordGranularity);
-    RefPtr<Range> wordRange = selection.toNormalizedRange();
+    RefPtrWillBeRawPtr<Range> wordRange = selection.toNormalizedRange();
 
     // Convert to NSAttributedString.
     NSAttributedString* string = attributedSubstringFromRange(wordRange.get());
 
     // Compute bottom left corner and convert to AppKit coordinates.
     IntRect stringRect = enclosingIntRect(wordRange->boundingRect());
     IntPoint stringPoint = frameView->contentsToWindow(stringRect).minXMaxYCorner();
     stringPoint.setY(frameView->height() - stringPoint.y());
 
     // Adjust for the font's descender. AppKit wants the baseline point.
     if ([string length]) {
         NSDictionary* attributes = [string attributesAtIndex:0 effectiveRange:NULL];
         NSFont* font = [attributes objectForKey:NSFontAttributeName];
         if (font)
             stringPoint.move(0, ceil(-[font descender]));
     }
 
     baselinePoint = stringPoint;
     return string;
 }
 
 NSAttributedString* WebSubstringUtil::attributedSubstringInRange(WebFrame* webFrame, size_t location, size_t length)
 {
     LocalFrame* frame = toWebFrameImpl(webFrame)->frame();
     if (frame->view()->needsLayout())
         frame->view()->layout();
 
     Element* editable = frame->selection().rootEditableElementOrDocumentElement();
     ASSERT(editable);
-    RefPtr<Range> range(PlainTextRange(location, location + length).createRange(*editable));
+    RefPtrWillBeRawPtr<Range> range(PlainTextRange(location, location + length).createRange(*editable));
     if (!range)
         return nil;
 
     return attributedSubstringFromRange(range.get());
 }
 
 } // namespace blink