Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/webmidi/MIDIAccessor.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/webmidi/MIDIAccessor.h"
 
 #include "modules/webmidi/MIDIAccessorClient.h"
 #include "public/platform/Platform.h"
-#include "wtf/PtrUtil.h"
 #include "wtf/text/WTFString.h"
-#include <memory>
 
 using blink::WebString;
 
 namespace blink {
 
 // Factory method
-std::unique_ptr<MIDIAccessor> MIDIAccessor::create(MIDIAccessorClient* client)
+PassOwnPtr<MIDIAccessor> MIDIAccessor::create(MIDIAccessorClient* client)
 {
-    return wrapUnique(new MIDIAccessor(client));
+    return adoptPtr(new MIDIAccessor(client));
 }
 
 MIDIAccessor::MIDIAccessor(MIDIAccessorClient* client)
     : m_client(client)
 {
     DCHECK(client);
 
-    m_accessor = wrapUnique(Platform::current()->createMIDIAccessor(this));
+    m_accessor = adoptPtr(Platform::current()->createMIDIAccessor(this));
 
     DCHECK(m_accessor);
 }
 
 void MIDIAccessor::startSession()
 {
     m_accessor->startSession();
 }
 
 void MIDIAccessor::sendMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp)
@@ skipping 25 matching lines @@
 {
     m_client->didStartSession(success, error, message);
 }
 
 void MIDIAccessor::didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp)
 {
     m_client->didReceiveMIDIData(portIndex, data, length, timeStamp);
 }
 
 } // namespace blink