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

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

Index: third_party/WebKit/Source/core/editing/FrameSelection.h
diff --git a/third_party/WebKit/Source/core/editing/FrameSelection.h b/third_party/WebKit/Source/core/editing/FrameSelection.h
index f672dce6982d36352fbaaaf570b637bd852fb5a4..d0b64b6d86ad27189a882c583bbb5ade43de4604 100644
--- a/third_party/WebKit/Source/core/editing/FrameSelection.h
+++ b/third_party/WebKit/Source/core/editing/FrameSelection.h
@@ -176,10 +176,6 @@ class CORE_EXPORT FrameSelection final
 
   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;