Refactor preference syncing.

chrome/browser/sync/glue/frontend_data_type_controller_mock.h

Index: chrome/browser/sync/glue/frontend_data_type_controller_mock.h
diff --git a/chrome/browser/sync/glue/frontend_data_type_controller_mock.h b/chrome/browser/sync/glue/frontend_data_type_controller_mock.h
index a32f3f5ac7793640b02690150f7131eb3e52d5ae..783b203ba03dcdce6773a8d348e90b4dfe461aef 100644
--- a/chrome/browser/sync/glue/frontend_data_type_controller_mock.h
+++ b/chrome/browser/sync/glue/frontend_data_type_controller_mock.h
@@ -36,6 +36,10 @@ class FrontendDataTypeControllerMock : public FrontendDataTypeController {
   MOCK_METHOD2(FinishStart, void(StartResult result,
                                  const tracked_objects::Location& from_here));
   MOCK_METHOD0(CleanUpState, void());
+  MOCK_CONST_METHOD0(model_associator, AssociatorInterface*());
+  MOCK_METHOD1(set_model_associator, void(AssociatorInterface* associator));
+  MOCK_CONST_METHOD0(change_processor, ChangeProcessor*());
+  MOCK_METHOD1(set_change_processor, void(ChangeProcessor* processor));
   MOCK_METHOD2(RecordUnrecoverableError, void(const tracked_objects::Location&,
                                               const std::string&));
   MOCK_METHOD1(RecordAssociationTime, void(base::TimeDelta time));