Adds RefPtr::leakRef method to allow raw pointers that prevent destruct.

third_party/WebKit/Source/wtf/text/AtomicStringTable.cpp

 // 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.
 
 #include "wtf/text/AtomicStringTable.h"
 
 #include "wtf/text/StringHash.h"
 #include "wtf/text/UTF8.h"
 
 namespace WTF {
@@ skipping 119 matching lines @@
     bool isAllASCII;
     const char* source = buffer.characters;
     if (convertUTF8ToUTF16(&source, source + buffer.length, &target,
                            target + buffer.utf16Length,
                            &isAllASCII) != conversionOK)
       NOTREACHED();
 
     if (isAllASCII)
       newString = StringImpl::create(buffer.characters, buffer.length);
 
-    location = newString.release().leakRef();
+    location = newString.leakRef();
     location->setHash(hash);
     location->setIsAtomic(true);
   }
 };
 
 PassRefPtr<StringImpl> AtomicStringTable::add(const UChar* s, unsigned length) {
   if (!s)
     return nullptr;
 
   if (!length)
@@ skipping 61 matching lines @@
 }
 
 void AtomicStringTable::remove(StringImpl* string) {
   DCHECK(string->isAtomic());
   auto iterator = m_table.find(string);
   RELEASE_ASSERT(iterator != m_table.end());
   m_table.remove(iterator);
 }
 
 }  // namespace WTF