Change SelectionStartEnd() returning values instead of assigning into ref args.

third_party/WebKit/Source/core/paint/PartPainter.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/paint/PartPainter.h"
 
 #include "core/frame/FrameOrPlugin.h"
 #include "core/layout/LayoutPart.h"
 #include "core/paint/BoxPainter.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
 #include "core/paint/ObjectPainter.h"
 #include "core/paint/PaintInfo.h"
 #include "core/paint/PaintLayer.h"
 #include "core/paint/ReplacedPainter.h"
 #include "core/paint/RoundedInnerRectClipper.h"
 #include "core/paint/ScrollableAreaPainter.h"
 #include "core/paint/TransformRecorder.h"
 #include "platform/wtf/Optional.h"
 
 namespace blink {
 
 bool PartPainter::IsSelected() const {
   SelectionState s = layout_part_.GetSelectionState();
   if (s == SelectionNone)
     return false;
   if (s == SelectionInside)
     return true;
 
   int selection_start, selection_end;
-  layout_part_.SelectionStartEnd(selection_start, selection_end);
+  std::tie(selection_start, selection_end) = layout_part_.SelectionStartEnd();
   if (s == SelectionStart)
     return selection_start == 0;
 
   int end = layout_part_.GetNode()->hasChildren()
                 ? layout_part_.GetNode()->CountChildren()
                 : 1;
   if (s == SelectionEnd)
     return selection_end == end;
   if (s == SelectionBoth)
     return selection_start == 0 && selection_end == end;
@@ skipping 93 matching lines @@
       paint_location - frame_or_plugin->FrameRect().Location();
   TransformRecorder transform(
       paint_info.context, layout_part_,
       AffineTransform::Translation(view_paint_offset.Width(),
                                    view_paint_offset.Height()));
   CullRect adjusted_cull_rect(paint_info.GetCullRect(), -view_paint_offset);
   frame_or_plugin->Paint(paint_info.context, adjusted_cull_rect);
 }
 
 }  // namespace blink