[Sync] Refactor non-frontend DTC to handle new API properly.

chrome/browser/sync/glue/app_data_type_controller.h

Index: chrome/browser/sync/glue/app_data_type_controller.h
diff --git a/chrome/browser/sync/glue/app_data_type_controller.h b/chrome/browser/sync/glue/app_data_type_controller.h
index 93bd51799ce24d9341b23e570b035e4e567a6215..6700be4fff1a8274f419b7cc5df6f329141d55e6 100644
--- a/chrome/browser/sync/glue/app_data_type_controller.h
+++ b/chrome/browser/sync/glue/app_data_type_controller.h
@@ -9,6 +9,7 @@
 #include <string>
 
 #include "chrome/browser/sync/glue/frontend_data_type_controller.h"
+#include "chrome/browser/sync/glue/generic_change_processor.h"
 
 namespace browser_sync {
 
@@ -23,6 +24,9 @@ class AppDataTypeController : public FrontendDataTypeController {
   // DataTypeController implementation.
   virtual syncable::ModelType type() const;
 
+ protected:
+  virtual ChangeProcessor* change_processor() const OVERRIDE;
+
  private:
   // DataTypeController implementations.
   virtual bool StartModels();
@@ -33,6 +37,8 @@ class AppDataTypeController : public FrontendDataTypeController {
   virtual void RecordAssociationTime(base::TimeDelta time);
   virtual void RecordStartFailure(StartResult result);
 
+  scoped_refptr<GenericChangeProcessor> change_processor_;
+
   DISALLOW_COPY_AND_ASSIGN(AppDataTypeController);
 };