Add UTF-16 string literal constructors to String classes

third_party/WebKit/Source/wtf/text/AtomicString.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 32 matching lines @@
   AtomicString() {}
   AtomicString(const LChar* chars)
       : AtomicString(chars,
                      chars ? strlen(reinterpret_cast<const char*>(chars)) : 0) {
   }
   AtomicString(const char* chars)
       : AtomicString(reinterpret_cast<const LChar*>(chars)) {}
   AtomicString(const LChar* chars, unsigned length);
   AtomicString(const UChar* chars, unsigned length);
   AtomicString(const UChar* chars);
+  AtomicString(const char16_t* chars)
+      : AtomicString(reinterpret_cast<const UChar*>(chars)) {}
 
   template <size_t inlineCapacity>
   explicit AtomicString(const Vector<UChar, inlineCapacity>& vector)
       : AtomicString(vector.data(), vector.size()) {}
 
   // Constructing an AtomicString from a String / StringImpl can be expensive if
   // the StringImpl is not already atomic.
   explicit AtomicString(StringImpl* impl) : m_string(add(impl)) {}
   explicit AtomicString(const String& s) : m_string(add(s.impl())) {}
 
@@ skipping 232 matching lines @@
 using WTF::AtomicString;
 using WTF::nullAtom;
 using WTF::emptyAtom;
 using WTF::starAtom;
 using WTF::xmlAtom;
 using WTF::xmlnsAtom;
 using WTF::xlinkAtom;
 
 #include "wtf/text/StringConcatenate.h"
 #endif  // AtomicString_h