Make ELineBreak an enum class.

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

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 1843 matching lines @@
   // word-break inherited (aka -epub-word-break)
   static EWordBreak InitialWordBreak() { return kNormalWordBreak; }
   EWordBreak WordBreak() const {
     return static_cast<EWordBreak>(rare_inherited_data_->word_break_);
   }
   void SetWordBreak(EWordBreak b) {
     SET_VAR(rare_inherited_data_, word_break_, b);
   }
 
   // -webkit-line-break
-  static LineBreak InitialLineBreak() { return kLineBreakAuto; }
+  static LineBreak InitialLineBreak() { return LineBreak::kAuto; }
   LineBreak GetLineBreak() const {
     return static_cast<LineBreak>(rare_inherited_data_->line_break_);
   }
   void SetLineBreak(LineBreak b) {
-    SET_VAR(rare_inherited_data_, line_break_, b);
+    SET_VAR(rare_inherited_data_, line_break_, static_cast<unsigned>(b));
   }
 
   // Text emphasis properties.
   static TextEmphasisFill InitialTextEmphasisFill() {
     return kTextEmphasisFillFilled;
   }
   static TextEmphasisMark InitialTextEmphasisMark() {
     return kTextEmphasisMarkNone;
   }
   static const AtomicString& InitialTextEmphasisCustomMark() {
@@ skipping 1510 matching lines @@
       case ' ':
       case '\t':
         return CollapseWhiteSpace();
       case '\n':
         return !PreserveNewline();
     }
     return false;
   }
   bool BreakOnlyAfterWhiteSpace() const {
     return WhiteSpace() == EWhiteSpace::kPreWrap ||
-           GetLineBreak() == kLineBreakAfterWhiteSpace;
+           GetLineBreak() == LineBreak::kAfterWhiteSpace;
   }
 
   bool BreakWords() const {
     return (WordBreak() == kBreakWordBreak ||
             OverflowWrap() == kBreakOverflowWrap) &&
            WhiteSpace() != EWhiteSpace::kPre &&
            WhiteSpace() != EWhiteSpace::kNowrap;
   }
 
   // Text direction utility functions.
@@ skipping 410 matching lines @@
       PseudoBitsInternal() | 1 << (pseudo - kFirstPublicPseudoId)));
 }
 
 inline bool ComputedStyle::HasPseudoElementStyle() const {
   return PseudoBitsInternal() & kElementPseudoIdMask;
 }
 
 }  // namespace blink
 
 #endif  // ComputedStyle_h