Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/bindings/core/v8/RejectedPromises.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef RejectedPromises_h
 #define RejectedPromises_h
 
 #include "bindings/core/v8/SourceLocation.h"
 #include "core/fetch/AccessControlStatus.h"
 #include "wtf/Deque.h"
 #include "wtf/Forward.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
-#include <memory>
 
 namespace v8 {
 class PromiseRejectMessage;
 };
 
 namespace blink {
 
 class ScriptState;
 
 class RejectedPromises final : public RefCounted<RejectedPromises> {
     USING_FAST_MALLOC(RejectedPromises);
 public:
     static PassRefPtr<RejectedPromises> create()
     {
         return adoptRef(new RejectedPromises());
     }
 
     ~RejectedPromises();
     void dispose();
 
-    void rejectedWithNoHandler(ScriptState*, v8::PromiseRejectMessage, const String& errorMessage, std::unique_ptr<SourceLocation>, AccessControlStatus);
+    void rejectedWithNoHandler(ScriptState*, v8::PromiseRejectMessage, const String& errorMessage, PassOwnPtr<SourceLocation>, AccessControlStatus);
     void handlerAdded(v8::PromiseRejectMessage);
 
     void processQueue();
 
 private:
     class Message;
 
     RejectedPromises();
 
-    using MessageQueue = Deque<std::unique_ptr<Message>>;
-    std::unique_ptr<MessageQueue> createMessageQueue();
+    using MessageQueue = Deque<OwnPtr<Message>>;
+    PassOwnPtr<MessageQueue> createMessageQueue();
 
-    void processQueueNow(std::unique_ptr<MessageQueue>);
-    void revokeNow(std::unique_ptr<Message>);
+    void processQueueNow(PassOwnPtr<MessageQueue>);
+    void revokeNow(PassOwnPtr<Message>);
 
     MessageQueue m_queue;
-    Vector<std::unique_ptr<Message>> m_reportedAsErrors;
+    Vector<OwnPtr<Message>> m_reportedAsErrors;
 };
 
 } // namespace blink
 
 #endif // RejectedPromises_h