Remove 'const' prefix from functions that return BorderValue by value.

third_party/WebKit/Source/core/style/ComputedStyle.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2011 Adobe Systems Incorporated. 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 2213 matching lines @@
   if (color_property == CSSPropertyBackgroundColor &&
       visited_color == Color::kTransparent)
     return unvisited_color;
 
   // Take the alpha from the unvisited color, but get the RGB values from the
   // visited color.
   return Color(visited_color.Red(), visited_color.Green(), visited_color.Blue(),
                unvisited_color.Alpha());
 }
 
-const BorderValue ComputedStyle::BorderBefore() const {
+BorderValue ComputedStyle::BorderBefore() const {
   switch (GetWritingMode()) {
     case WritingMode::kHorizontalTb:
       return BorderTop();
     case WritingMode::kVerticalLr:
       return BorderLeft();
     case WritingMode::kVerticalRl:
       return BorderRight();
   }
   NOTREACHED();
   return BorderTop();
 }
 
-const BorderValue ComputedStyle::BorderAfter() const {
+BorderValue ComputedStyle::BorderAfter() const {
   switch (GetWritingMode()) {
     case WritingMode::kHorizontalTb:
       return BorderBottom();
     case WritingMode::kVerticalLr:
       return BorderRight();
     case WritingMode::kVerticalRl:
       return BorderLeft();
   }
   NOTREACHED();
   return BorderBottom();
 }
 
-const BorderValue ComputedStyle::BorderStart() const {
+BorderValue ComputedStyle::BorderStart() const {
   if (IsHorizontalWritingMode())
     return IsLeftToRightDirection() ? BorderLeft() : BorderRight();
   return IsLeftToRightDirection() ? BorderTop() : BorderBottom();
 }
 
-const BorderValue ComputedStyle::BorderEnd() const {
+BorderValue ComputedStyle::BorderEnd() const {
   if (IsHorizontalWritingMode())
     return IsLeftToRightDirection() ? BorderRight() : BorderLeft();
   return IsLeftToRightDirection() ? BorderBottom() : BorderTop();
 }
 
 float ComputedStyle::BorderBeforeWidth() const {
   switch (GetWritingMode()) {
     case WritingMode::kHorizontalTb:
       return BorderTopWidth();
     case WritingMode::kVerticalLr:
@@ skipping 251 matching lines @@
     if (value < 0)
       fvalue -= 0.5f;
     else
       fvalue += 0.5f;
   }
 
   return RoundForImpreciseConversion<int>(fvalue / zoom_factor);
 }
 
 }  // namespace blink