[Sync] rename USS processor / worker interfaces

sync/internal_api/public/sync_context.h

Index: sync/internal_api/public/sync_context.h
diff --git a/sync/internal_api/public/sync_context.h b/sync/internal_api/public/sync_context.h
index 40254b5ddda040307a20b4bad695a31b80b70c49..3eaa5bedc0f0faa58c61d81ea0c39e83944033bb 100644
--- a/sync/internal_api/public/sync_context.h
+++ b/sync/internal_api/public/sync_context.h
@@ -13,7 +13,7 @@
 #include "sync/internal_api/public/non_blocking_sync_common.h"
 
 namespace syncer_v2 {
-class ModelTypeSyncProxyImpl;
+class ModelTypeProcessorImpl;
 
 // An interface of the core parts of sync.
 //
@@ -36,13 +36,13 @@ class SYNC_EXPORT_PRIVATE SyncContext {
       const DataTypeState& data_type_state,
       const UpdateResponseDataList& saved_pending_updates,
       const scoped_refptr<base::SequencedTaskRunner>& datatype_task_runner,
-      const base::WeakPtr<ModelTypeSyncProxyImpl>& type_sync_proxy) = 0;
+      const base::WeakPtr<ModelTypeProcessorImpl>& type_sync_proxy) = 0;
 
   // Disconnects the syncer from the model and stops syncing the type.
   //
   // By the time this is called, the model thread should have already
   // invalidated the WeakPtr it sent to us in the connect request.  Any
-  // messages sent to that ModelTypeSyncProxy will not be recived.
+  // messages sent to that ModelTypeProcessor will not be recived.
   //
   // This is the sync thread's chance to clear state associated with the type.
   // It also causes the syncer to stop requesting updates for this type, and to