Remove the use of OwnedPtrDeleter in WebMessagePortChannel.

third_party/WebKit/Source/core/dom/MessageChannel.cpp

 /*
  * Copyright (C) 2008 Apple 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 23 matching lines @@
 
 static void createChannel(MessagePort* port1, MessagePort* port2)
 {
     WebMessagePortChannel* channel1;
     WebMessagePortChannel* channel2;
     Platform::current()->createMessageChannel(&channel1, &channel2);
     DCHECK(channel1);
     DCHECK(channel2);
 
     // Now entangle the proxies with the appropriate local ports.
-    port1->entangle(adoptPtr(channel2));
-    port2->entangle(adoptPtr(channel1));
+    port1->entangle(WebMessagePortChannelUniquePtr(channel2));
+    port2->entangle(WebMessagePortChannelUniquePtr(channel1));
 }
 
 MessageChannel::MessageChannel(ExecutionContext* context)
     : m_port1(MessagePort::create(*context))
     , m_port2(MessagePort::create(*context))
 {
     createChannel(m_port1.get(), m_port2.get());
 }
 
 DEFINE_TRACE(MessageChannel)
 {
     visitor->trace(m_port1);
     visitor->trace(m_port2);
 }
 
 } // namespace blink