[Sync] rename USS processor / worker interfaces

sync/engine/model_type_sync_proxy_impl.cc

Index: sync/engine/model_type_sync_proxy_impl.cc
diff --git a/sync/engine/model_type_sync_proxy_impl.cc b/sync/engine/model_type_sync_proxy_impl.cc
index 529b5c1f35db167e2d1c2c72278002d5f327e5a9..422da78d802e269c7c58ffbeda4a982539e697d8 100644
--- a/sync/engine/model_type_sync_proxy_impl.cc
+++ b/sync/engine/model_type_sync_proxy_impl.cc
@@ -6,8 +6,8 @@
 
 #include "base/bind.h"
 #include "base/location.h"
+#include "sync/engine/commit_queue.h"
 #include "sync/engine/model_type_entity.h"
-#include "sync/engine/model_type_sync_worker.h"
 #include "sync/internal_api/public/sync_context_proxy.h"
 #include "sync/syncable/syncable_util.h"
 
@@ -87,7 +87,7 @@ base::WeakPtr<ModelTypeSyncProxyImpl> ModelTypeSyncProxyImpl::AsWeakPtrForUI() {
   return weak_ptr_factory_for_ui_.GetWeakPtr();
 }
 
-void ModelTypeSyncProxyImpl::OnConnect(scoped_ptr<ModelTypeSyncWorker> worker) {
+void ModelTypeSyncProxyImpl::OnConnect(scoped_ptr<CommitQueue> worker) {
   DCHECK(CalledOnValidThread());
   DVLOG(1) << "Successfully connected " << ModelTypeToString(type_);