Make EOverflowWrap an enum class.

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

 /**
  * Copyright (C) 2006, 2007, 2010 Apple Inc. All rights reserved.
  *           (C) 2008 Torch Mobile Inc. All rights reserved.
  *               (http://www.torchmobile.com/)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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
@@ skipping 287 matching lines @@
   return line_height + non_content_height;
 }
 
 PassRefPtr<ComputedStyle> LayoutTextControlSingleLine::CreateInnerEditorStyle(
     const ComputedStyle& start_style) const {
   RefPtr<ComputedStyle> text_block_style = ComputedStyle::Create();
   text_block_style->InheritFrom(start_style);
   AdjustInnerEditorStyle(*text_block_style);
 
   text_block_style->SetWhiteSpace(EWhiteSpace::kPre);
-  text_block_style->SetOverflowWrap(kNormalOverflowWrap);
+  text_block_style->SetOverflowWrap(EOverflowWrap::kNormal);
   text_block_style->SetTextOverflow(
       TextShouldBeTruncated() ? kTextOverflowEllipsis : kTextOverflowClip);
 
   int computed_line_height =
       LineHeight(true, kHorizontalLine, kPositionOfInteriorLineBoxes).ToInt();
   // Do not allow line-height to be smaller than our default.
   if (text_block_style->FontSize() >= computed_line_height)
     text_block_style->SetLineHeight(ComputedStyle::InitialLineHeight());
 
   // We'd like to remove line-height if it's unnecessary because
@@ skipping 89 matching lines @@
   // If the INPUT content height is smaller than the font height, the
   // inner-editor element overflows the INPUT box intentionally, however it
   // shouldn't affect outside of the INPUT box.  So we ignore child overflow.
 }
 
 HTMLInputElement* LayoutTextControlSingleLine::InputElement() const {
   return toHTMLInputElement(GetNode());
 }
 
 }  // namespace blink