Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/webmidi/MIDIController.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/MIDIController.h"
 
 #include "modules/webmidi/MIDIAccessInitializer.h"
 #include "modules/webmidi/MIDIClient.h"
-#include <memory>
 
 namespace blink {
 
 const char* MIDIController::supplementName()
 {
     return "MIDIController";
 }
 
-MIDIController::MIDIController(std::unique_ptr<MIDIClient> client)
+MIDIController::MIDIController(PassOwnPtr<MIDIClient> client)
     : m_client(std::move(client))
 {
     DCHECK(m_client);
 }
 
 MIDIController::~MIDIController()
 {
 }
 
-MIDIController* MIDIController::create(std::unique_ptr<MIDIClient> client)
+MIDIController* MIDIController::create(PassOwnPtr<MIDIClient> client)
 {
     return new MIDIController(std::move(client));
 }
 
 void MIDIController::requestPermission(MIDIAccessInitializer* initializer, const MIDIOptions& options)
 {
     m_client->requestPermission(initializer, options);
 }
 
 void MIDIController::cancelPermissionRequest(MIDIAccessInitializer* initializer)
 {
     m_client->cancelPermissionRequest(initializer);
 }
 
-void provideMIDITo(LocalFrame& frame, std::unique_ptr<MIDIClient> client)
+void provideMIDITo(LocalFrame& frame, PassOwnPtr<MIDIClient> client)
 {
     MIDIController::provideTo(frame, MIDIController::supplementName(), MIDIController::create(std::move(client)));
 }
 
 } // namespace blink