Remove OwnPtr from Blink.

third_party/WebKit/Source/modules/websockets/InspectorWebSocketEvents.h

 // Copyright 2014 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 InspectorWebSocketEvents_h
 #define InspectorWebSocketEvents_h
 
 #include "core/inspector/InspectorTraceEvents.h"
 #include "platform/TraceEvent.h"
 #include "platform/TracedValue.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/Functional.h"
+#include <memory>
 
 namespace blink {
 
 class Document;
 class KURL;
 
 class InspectorWebSocketCreateEvent {
     STATIC_ONLY(InspectorWebSocketCreateEvent);
 public:
-    static PassOwnPtr<TracedValue> data(Document*, unsigned long identifier, const KURL&, const String& protocol);
+    static std::unique_ptr<TracedValue> data(Document*, unsigned long identifier, const KURL&, const String& protocol);
 };
 
 class InspectorWebSocketEvent {
     STATIC_ONLY(InspectorWebSocketEvent);
 public:
-    static PassOwnPtr<TracedValue> data(Document*, unsigned long identifier);
+    static std::unique_ptr<TracedValue> data(Document*, unsigned long identifier);
 };
 
 } // namespace blink
 
 
 #endif // !defined(InspectorWebSocketEvents_h)