Expand FrameSeleciton::extent() to increase chances of hoisting update layout

third_party/WebKit/Source/core/editing/FrameSelection.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple 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:
  * 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 158 matching lines @@
   // This function does not allow the selection to collapse. If the new
   // extent is resolved to the same position as the current base, this
   // function will do nothing.
   void moveRangeSelectionExtent(const IntPoint&);
   void moveRangeSelection(const VisiblePosition& base,
                           const VisiblePosition& extent,
                           TextGranularity);
 
   TextGranularity granularity() const { return m_granularity; }
 
-  Position extent() const {
-    return computeVisibleSelectionInDOMTreeDeprecated().extent();
-  }
-
   // Returns true if specified layout block should paint caret. This function is
   // called during painting only.
   bool shouldPaintCaret(const LayoutBlock&) const;
 
   // Bounds of (possibly transformed) caret in absolute coords
   IntRect absoluteCaretBounds();
 
   void didChangeFocus();
 
   const SelectionInDOMTree& selectionInDOMTree() const;
@@ skipping 139 matching lines @@
 
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::FrameSelection&);
 void showTree(const blink::FrameSelection*);
 #endif
 
 #endif  // FrameSelection_h