Convert //sync from scoped_ptr to std::unique_ptr

sync/internal_api/public/events/commit_response_event.h

Index: sync/internal_api/public/events/commit_response_event.h
diff --git a/sync/internal_api/public/events/commit_response_event.h b/sync/internal_api/public/events/commit_response_event.h
index 4f28278406583064ed1221044caa8bad251c6535..1ceece9d763cedf28a46d003e33f2db3075d9a8b 100644
--- a/sync/internal_api/public/events/commit_response_event.h
+++ b/sync/internal_api/public/events/commit_response_event.h
@@ -6,10 +6,10 @@
 #define SYNC_INTERNAL_API_PUBLIC_EVENTS_COMMIT_RESPONSE_EVENT_H_
 
 #include <cstddef>
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 #include "base/values.h"
 #include "sync/base/sync_export.h"
@@ -31,10 +31,10 @@ class SYNC_EXPORT CommitResponseEvent : public ProtocolEvent {
   base::Time GetTimestamp() const override;
   std::string GetType() const override;
   std::string GetDetails() const override;
-  scoped_ptr<base::DictionaryValue> GetProtoMessage() const override;
-  scoped_ptr<ProtocolEvent> Clone() const override;
+  std::unique_ptr<base::DictionaryValue> GetProtoMessage() const override;
+  std::unique_ptr<ProtocolEvent> Clone() const override;
 
-  static scoped_ptr<base::DictionaryValue> ToValue(
+  static std::unique_ptr<base::DictionaryValue> ToValue(
       const ProtocolEvent& event);
 
  private: