Add UTF-16 string literal constructors to String classes

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WTF_StringView_h
 #define WTF_StringView_h
 
 #include "wtf/Allocator.h"
 #include "wtf/GetPtr.h"
 #if DCHECK_IS_ON()
@@ skipping 65 matching lines @@
                    chars ? strlen(reinterpret_cast<const char*>(chars)) : 0) {}
   StringView(const char* chars)
       : StringView(reinterpret_cast<const LChar*>(chars)) {}
 
   // From a wide literal string or UChar buffer.
   StringView(const UChar* chars, unsigned length)
       : m_impl(StringImpl::empty16Bit()),
         m_characters16(chars),
         m_length(length) {}
   StringView(const UChar* chars);
+  StringView(const char16_t* chars)
+      : StringView(reinterpret_cast<const UChar*>(chars)) {}
 
 #if DCHECK_IS_ON()
   ~StringView();
 #endif
 
   bool isNull() const { return !m_bytes; }
   bool isEmpty() const { return !m_length; }
 
   unsigned length() const { return m_length; }
 
@@ skipping 136 matching lines @@
   return !(a == b);
 }
 
 }  // namespace WTF
 
 using WTF::StringView;
 using WTF::equalIgnoringASCIICase;
 using WTF::equalIgnoringCase;
 
 #endif