Remove unused function of LayoutSelection::GetVisibleSelection()

third_party/WebKit/Source/core/editing/LayoutSelection.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights
  * reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 23 matching lines @@
 
 LayoutSelection::LayoutSelection(FrameSelection& frame_selection)
     : frame_selection_(&frame_selection),
       has_pending_selection_(false),
       force_hide_(false),
       selection_start_(nullptr),
       selection_end_(nullptr),
       selection_start_pos_(-1),
       selection_end_pos_(-1) {}
 
-const VisibleSelection& LayoutSelection::GetVisibleSelection() const {
-  return frame_selection_->ComputeVisibleSelectionInDOMTree();
-}
-
 SelectionInFlatTree LayoutSelection::CalcVisibleSelection(
     const VisibleSelectionInFlatTree& original_selection) const {
   const PositionInFlatTree& start = original_selection.Start();
   const PositionInFlatTree& end = original_selection.end();
   SelectionType selection_type = original_selection.GetSelectionType();
   const TextAffinity affinity = original_selection.Affinity();
 
   bool paint_block_cursor =
       frame_selection_->ShouldShowBlockCursor() &&
       selection_type == SelectionType::kCaretSelection &&
@@ skipping 389 matching lines @@
 
     o->SetShouldInvalidateSelection();
   }
 }
 
 DEFINE_TRACE(LayoutSelection) {
   visitor->Trace(frame_selection_);
 }
 
 }  // namespace blink