Changed EUnicodeBidi to an enum class and renamed its members

third_party/WebKit/Source/platform/text/UnicodeBidi.h

 /*
  * Copyright (C) 2011 Google, Inc.  All rights reserved.
  *
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef UnicodeBidi_h
 #define UnicodeBidi_h
 
 namespace blink {
 
-enum EUnicodeBidi {
-  UBNormal,
-  Embed,
-  Override,
-  Isolate,
-  Plaintext,
-  IsolateOverride,
+enum class EUnicodeBidi : unsigned {
+  kNormal,
+  kEmbed,
+  kBidiOverride,
+  kIsolate,
+  kPlaintext,
+  kIsolateOverride,
 };
 
 inline bool isIsolated(const EUnicodeBidi& unicodeBidi) {
-  return unicodeBidi == Isolate || unicodeBidi == IsolateOverride ||
-         unicodeBidi == Plaintext;
+  return unicodeBidi == EUnicodeBidi::kIsolate ||
+         unicodeBidi == EUnicodeBidi::kIsolateOverride ||
+         unicodeBidi == EUnicodeBidi::kPlaintext;
 }
 
 inline bool isOverride(EUnicodeBidi unicodeBidi) {
-  return unicodeBidi == Override || unicodeBidi == IsolateOverride;
+  return unicodeBidi == EUnicodeBidi::kBidiOverride ||
+         unicodeBidi == EUnicodeBidi::kIsolateOverride;
 }
 
 }  // namespace blink
 
 #endif