[Sync] Plumb initial type set from engine to DTM.

components/browser_sync/profile_sync_service.h

Index: components/browser_sync/profile_sync_service.h
diff --git a/components/browser_sync/profile_sync_service.h b/components/browser_sync/profile_sync_service.h
index ca82b847fea857a44dcd7817187f79bcf29e0d97..3fb2c5bed8f7aa27c2b0c183884d715af6033440 100644
--- a/components/browser_sync/profile_sync_service.h
+++ b/components/browser_sync/profile_sync_service.h
@@ -359,6 +359,7 @@ class ProfileSyncService : public syncer::SyncService,
 
   // SyncEngineHost implementation.
   void OnEngineInitialized(
+      syncer::ModelTypeSet initial_types,
       const syncer::WeakHandle<syncer::JsBackend>& js_backend,
       const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>&
           debug_info_listener,
@@ -716,9 +717,6 @@ class ProfileSyncService : public syncer::SyncService,
   // Update UMA for syncing engine.
   void UpdateEngineInitUMA(bool success);
 
-  // Various setup following engine initialization, mostly for syncing engine.
-  void PostEngineInitialization();
-
   // Whether sync has been authenticated with an account ID.
   bool IsSignedIn() const;