Changed EWhiteSpace to an enum class and renamed its members to keywords

third_party/WebKit/Source/core/editing/iterators/TextIterator.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 695 matching lines @@
       }
       DCHECK(!nextTextBox ||
              nextTextBox->getLineLayoutItem().isEqual(layoutObject));
 
       if (runStart < runEnd) {
         // Handle either a single newline character (which becomes a space),
         // or a run of characters that does not include a newline.
         // This effectively translates newlines to spaces without copying the
         // text.
         if (str[runStart] == '\n') {
-          // We need to preserve new lines in case of PRE_LINE.
+          // We need to preserve new lines in case of PreLine.
           // See bug crbug.com/317365.
-          if (layoutObject->style()->whiteSpace() == PRE_LINE)
+          if (layoutObject->style()->whiteSpace() == EWhiteSpace::PreLine)
             spliceBuffer('\n', m_node, 0, runStart, runStart);
           else
             spliceBuffer(spaceCharacter, m_node, 0, runStart, runStart + 1);
           m_offset = runStart + 1;
         } else {
           size_t subrunEnd = str.find('\n', runStart);
           if (subrunEnd == kNotFound || subrunEnd > runEnd) {
             subrunEnd = runEnd;
             runStart = restoreCollapsedLeadingSpace(runStart);
             subrunEnd = restoreCollapsedTrailingSpace(nextTextBox, subrunEnd);
@@ skipping 620 matching lines @@
 String plainText(const EphemeralRangeInFlatTree& range,
                  TextIteratorBehaviorFlags behavior) {
   return createPlainText<EditingInFlatTreeStrategy>(range, behavior);
 }
 
 template class CORE_TEMPLATE_EXPORT TextIteratorAlgorithm<EditingStrategy>;
 template class CORE_TEMPLATE_EXPORT
     TextIteratorAlgorithm<EditingInFlatTreeStrategy>;
 
 }  // namespace blink