Revert of [blink] Unique pointers in Platform.h

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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "modules/webmidi/MIDIAccessor.h"
 
 #include <memory>
 #include "modules/webmidi/MIDIAccessorClient.h"
 #include "platform/wtf/PtrUtil.h"
 #include "platform/wtf/text/WTFString.h"
 #include "public/platform/Platform.h"
-#include "public/platform/modules/webmidi/WebMIDIAccessor.h"
 
 using blink::WebString;
 using midi::mojom::PortState;
 using midi::mojom::Result;
 
 namespace blink {
 
 // Factory method
 std::unique_ptr<MIDIAccessor> MIDIAccessor::Create(MIDIAccessorClient* client) {
   return WTF::WrapUnique(new MIDIAccessor(client));
 }
 
 MIDIAccessor::MIDIAccessor(MIDIAccessorClient* client) : client_(client) {
   DCHECK(client);
 
-  accessor_ = Platform::Current()->CreateMIDIAccessor(this);
+  accessor_ = WTF::WrapUnique(Platform::Current()->CreateMIDIAccessor(this));
 
   DCHECK(accessor_);
 }
 
 void MIDIAccessor::StartSession() {
   accessor_->StartSession();
 }
 
 void MIDIAccessor::SendMIDIData(unsigned port_index,
                                 const unsigned char* data,
@@ skipping 31 matching lines @@
 }
 
 void MIDIAccessor::DidReceiveMIDIData(unsigned port_index,
                                       const unsigned char* data,
                                       size_t length,
                                       double time_stamp) {
   client_->DidReceiveMIDIData(port_index, data, length, time_stamp);
 }
 
 }  // namespace blink