Add unicode flag to blink::ScriptRegexp, and measure incompatibility for |pattern| content attribut…

third_party/WebKit/Source/bindings/core/v8/ScriptRegexp.h

 /*
  * Copyright (C) 2003, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 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
@@ skipping 24 matching lines @@
 namespace blink {
 
 enum MultilineMode {
     MultilineDisabled,
     MultilineEnabled
 };
 
 class ScriptRegexp {
     USING_FAST_MALLOC(ScriptRegexp); WTF_MAKE_NONCOPYABLE(ScriptRegexp);
 public:
-    ScriptRegexp(const String&, TextCaseSensitivity, MultilineMode = MultilineDisabled);
+    enum CharacterMode {
+        BMP, // NOLINT
+        UTF16, // NOLINT
+    };
+
+    ScriptRegexp(const String&, TextCaseSensitivity, MultilineMode = MultilineDisabled, CharacterMode = BMP);
 
     int match(const String&, int startFrom = 0, int* matchLength = 0) const;
 
     bool isValid() const { return !m_regex.isEmpty(); }
 
 private:
     ScopedPersistent<v8::RegExp> m_regex;
 };
 
 } // namespace blink
 
 #endif // ScriptRegexp_h