Make ELineBreak an enum class.

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 1561 matching lines @@
   typedef CounterDirectiveMap::iterator Iterator;
 
   Iterator end = map.end();
   for (Iterator it = map.begin(); it != end; ++it)
     it->value.ClearReset();
 }
 
 AtomicString ComputedStyle::LocaleForLineBreakIterator() const {
   LineBreakIteratorMode mode = LineBreakIteratorMode::kDefault;
   switch (GetLineBreak()) {
-    case kLineBreakAuto:
-    case kLineBreakAfterWhiteSpace:
+    case LineBreak::kAuto:
+    case LineBreak::kAfterWhiteSpace:
       return Locale();
-    case kLineBreakNormal:
+    case LineBreak::kNormal:
       mode = LineBreakIteratorMode::kNormal;
       break;
-    case kLineBreakStrict:
+    case LineBreak::kStrict:
       mode = LineBreakIteratorMode::kStrict;
       break;
-    case kLineBreakLoose:
+    case LineBreak::kLoose:
       mode = LineBreakIteratorMode::kLoose;
       break;
   }
   if (const LayoutLocale* locale = GetFontDescription().Locale())
     return locale->LocaleWithBreakKeyword(mode);
   return Locale();
 }
 
 Hyphenation* ComputedStyle::GetHyphenation() const {
   return GetHyphens() == kHyphensAuto
@@ skipping 916 matching lines @@
     if (value < 0)
       fvalue -= 0.5f;
     else
       fvalue += 0.5f;
   }
 
   return RoundForImpreciseConversion<int>(fvalue / zoom_factor);
 }
 
 }  // namespace blink