Remove OwnPtr::release() calls in core/ (part 2).

third_party/WebKit/Source/core/events/MessageEvent.cpp

 /*
  * Copyright (C) 2007 Henry Mason (hmason@mac.com)
  * Copyright (C) 2003, 2005, 2006, 2007, 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
@@ skipping 182 matching lines @@
 }
 
 MessagePortArray MessageEvent::ports() const
 {
     bool unused;
     return ports(unused);
 }
 
 void MessageEvent::entangleMessagePorts(ExecutionContext* context)
 {
-    m_ports = MessagePort::entanglePorts(*context, m_channels.release());
+    m_ports = MessagePort::entanglePorts(*context, std::move(m_channels));
 }
 
 DEFINE_TRACE(MessageEvent)
 {
     visitor->trace(m_dataAsBlob);
     visitor->trace(m_dataAsArrayBuffer);
     visitor->trace(m_source);
     visitor->trace(m_ports);
     Event::trace(visitor);
 }
@@ skipping 16 matching lines @@
         break;
     case MessageEvent::DataTypeArrayBuffer:
         V8HiddenValue::setHiddenValue(ScriptState::current(isolate), wrapper, V8HiddenValue::arrayBufferData(isolate), toV8(dataAsArrayBuffer(), wrapper, isolate));
         break;
     }
 
     return wrapper;
 }
 
 } // namespace blink