Remove OwnPtr from Blink.

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

Index: third_party/WebKit/Source/modules/websockets/InspectorWebSocketEvents.h
diff --git a/third_party/WebKit/Source/modules/websockets/InspectorWebSocketEvents.h b/third_party/WebKit/Source/modules/websockets/InspectorWebSocketEvents.h
index 418f0e6691505eb5b36305e20fd23c894fb80d44..35ed61f5799e8f7eef91d47118d1c4e25df0dfb2 100644
--- a/third_party/WebKit/Source/modules/websockets/InspectorWebSocketEvents.h
+++ b/third_party/WebKit/Source/modules/websockets/InspectorWebSocketEvents.h
@@ -11,6 +11,7 @@
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 #include "wtf/Functional.h"
+#include <memory>
 
 namespace blink {
 
@@ -20,13 +21,13 @@ 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