Make TextAlignLast an enum class.

third_party/WebKit/Source/core/layout/LayoutBlockFlowLine.cpp

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  *               All right reserved.
  * Copyright (C) 2010 Google 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 349 matching lines @@
 }
 
 ETextAlign LayoutBlockFlow::TextAlignmentForLine(
     bool ends_with_soft_break) const {
   ETextAlign alignment = Style()->GetTextAlign();
   if (ends_with_soft_break)
     return alignment;
 
   TextAlignLast alignment_last = Style()->GetTextAlignLast();
   switch (alignment_last) {
-    case kTextAlignLastStart:
+    case TextAlignLast::kStart:
       return ETextAlign::kStart;
-    case kTextAlignLastEnd:
+    case TextAlignLast::kEnd:
       return ETextAlign::kEnd;
-    case kTextAlignLastLeft:
+    case TextAlignLast::kLeft:
       return ETextAlign::kLeft;
-    case kTextAlignLastRight:
+    case TextAlignLast::kRight:
       return ETextAlign::kRight;
-    case kTextAlignLastCenter:
+    case TextAlignLast::kCenter:
       return ETextAlign::kCenter;
-    case kTextAlignLastJustify:
+    case TextAlignLast::kJustify:
       return ETextAlign::kJustify;
-    case kTextAlignLastAuto:
+    case TextAlignLast::kAuto:
       if (alignment == ETextAlign::kJustify)
         return ETextAlign::kStart;
       return alignment;
   }
 
   return alignment;
 }
 
 static bool TextAlignmentNeedsTrailingSpace(ETextAlign text_align,
                                             const ComputedStyle& style) {
@@ skipping 2261 matching lines @@
 
 bool LayoutBlockFlow::PaintedOutputOfObjectHasNoEffectRegardlessOfSize() const {
   // LayoutBlockFlow is in charge of paint invalidation of the first line.
   if (FirstLineBox())
     return false;
 
   return LayoutBlock::PaintedOutputOfObjectHasNoEffectRegardlessOfSize();
 }
 
 }  // namespace blink