[Sync] Use ModelTypeProcessor instead of ModelTypeProcessorImpl.

sync/test/engine/injectable_sync_context_proxy.h

Index: sync/test/engine/injectable_sync_context_proxy.h
diff --git a/sync/test/engine/injectable_sync_context_proxy.h b/sync/test/engine/injectable_sync_context_proxy.h
index 4f19d9c8e7c5aae343f503dcd90f5537b5672d69..4ec38e66c3d651c89fbdbbc07c28a8a5f1cf8820 100644
--- a/sync/test/engine/injectable_sync_context_proxy.h
+++ b/sync/test/engine/injectable_sync_context_proxy.h
@@ -11,11 +11,11 @@
 
 namespace syncer_v2 {
 
-class ModelTypeProcessorImpl;
+class ModelTypeProcessor;
 class CommitQueue;
 
 // A SyncContextProxy implementation that, when a connection request is made,
-// initalizes a connection to a previously injected ModelTypeProcessorImpl.
+// initalizes a connection to a previously injected ModelTypeProcessor.
 class InjectableSyncContextProxy : public SyncContextProxy {
  public:
   explicit InjectableSyncContextProxy(CommitQueue* queue);
@@ -25,7 +25,7 @@ class InjectableSyncContextProxy : public SyncContextProxy {
       syncer::ModelType type,
       const DataTypeState& data_type_state,
       const UpdateResponseDataList& pending_updates,
-      const base::WeakPtr<ModelTypeProcessorImpl>& type_sync_proxy) override;
+      const base::WeakPtr<ModelTypeProcessor>& type_processor) override;
   void Disconnect(syncer::ModelType type) override;
   scoped_ptr<SyncContextProxy> Clone() const override;