Convert //sync from scoped_ptr to std::unique_ptr

sync/internal_api/public/events/clear_server_data_request_event.h

Index: sync/internal_api/public/events/clear_server_data_request_event.h
diff --git a/sync/internal_api/public/events/clear_server_data_request_event.h b/sync/internal_api/public/events/clear_server_data_request_event.h
index b70ad5cb55a0c48b5f0b03e58031855bf9066b6a..58ba0cf20363d771d059dbcc4e474edad40da839 100644
--- a/sync/internal_api/public/events/clear_server_data_request_event.h
+++ b/sync/internal_api/public/events/clear_server_data_request_event.h
@@ -5,10 +5,10 @@
 #ifndef SYNC_INTERNAL_API_PUBLIC_EVENTS_CLEAR_SERVER_DATA_REQUEST_EVENT_H_
 #define SYNC_INTERNAL_API_PUBLIC_EVENTS_CLEAR_SERVER_DATA_REQUEST_EVENT_H_
 
+#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"
@@ -27,10 +27,11 @@ class SYNC_EXPORT ClearServerDataRequestEvent : 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(const ProtocolEvent& event);
+  static std::unique_ptr<base::DictionaryValue> ToValue(
+      const ProtocolEvent& event);
 
  private:
   const base::Time timestamp_;