Convert //sync from scoped_ptr to std::unique_ptr

sync/api/model_type_change_processor.h

Index: sync/api/model_type_change_processor.h
diff --git a/sync/api/model_type_change_processor.h b/sync/api/model_type_change_processor.h
index 91f7380aa547412a5dc0f287952aec2067355656..16ca825802845e6bd8d9f4ea80088123fec5f709 100644
--- a/sync/api/model_type_change_processor.h
+++ b/sync/api/model_type_change_processor.h
@@ -5,9 +5,9 @@
 #ifndef SYNC_API_MODEL_TYPE_CHANGE_PROCESSOR_H_
 #define SYNC_API_MODEL_TYPE_CHANGE_PROCESSOR_H_
 
+#include <memory>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 #include "sync/api/entity_data.h"
 #include "sync/base/sync_export.h"
 #include "sync/internal_api/public/activation_context.h"
@@ -25,7 +25,8 @@ class MetadataChangeList;
 // changes.
 class SYNC_EXPORT ModelTypeChangeProcessor {
  public:
-  typedef base::Callback<void(syncer::SyncError, scoped_ptr<ActivationContext>)>
+  typedef base::Callback<void(syncer::SyncError,
+                              std::unique_ptr<ActivationContext>)>
       StartCallback;
 
   ModelTypeChangeProcessor();
@@ -36,7 +37,7 @@ class SYNC_EXPORT ModelTypeChangeProcessor {
   // non-unique name. The processor will fill in the rest if the service does
   // not have a reason to care.
   virtual void Put(const std::string& client_tag,
-                   scoped_ptr<EntityData> entity_data,
+                   std::unique_ptr<EntityData> entity_data,
                    MetadataChangeList* metadata_change_list) = 0;
 
   // Inform the processor of a deleted entity.
@@ -45,7 +46,7 @@ class SYNC_EXPORT ModelTypeChangeProcessor {
 
   // Accept the initial sync metadata loaded by the service. This should be
   // called as soon as the metadata is available to the service.
-  virtual void OnMetadataLoaded(scoped_ptr<MetadataBatch> batch) = 0;
+  virtual void OnMetadataLoaded(std::unique_ptr<MetadataBatch> batch) = 0;
 
   // Called by the DataTypeController to gather additional information needed
   // before a CommitQueue object can be created for this model type. Once the