sync: use progress markers instead of timestamps during GetUpdates

chrome/browser/sync/test_profile_sync_service.h

Index: chrome/browser/sync/test_profile_sync_service.h
diff --git a/chrome/browser/sync/test_profile_sync_service.h b/chrome/browser/sync/test_profile_sync_service.h
index 2615b248217f3554212a4d437bd4006a33ad2785..7a348083939d49684744185d42797465cba1ec1d 100644
--- a/chrome/browser/sync/test_profile_sync_service.h
+++ b/chrome/browser/sync/test_profile_sync_service.h
@@ -139,13 +139,14 @@ class SyncBackendHostForProfileSyncTest : public SyncBackendHost {
     syncable::ModelTypeBitSet sync_ended;
     ModelSafeRoutingInfo enabled_types;
     GetModelSafeRoutingInfo(&enabled_types);
+    std::string download_progress_markers[syncable::MODEL_TYPE_COUNT];
     for (ModelSafeRoutingInfo::const_iterator i = enabled_types.begin();
          i != enabled_types.end(); ++i) {
       sync_ended.set(i->first);
     }
     core_->HandleSyncCycleCompletedOnFrontendLoop(new SyncSessionSnapshot(
-        SyncerStatus(), ErrorCounters(), 0, 0, false,
-        sync_ended, false, false, 0, 0, false));
+        SyncerStatus(), ErrorCounters(), 0, false,
+        sync_ended, download_progress_markers, false, false, 0, 0, false));
   }
 
   virtual sync_api::HttpPostProviderFactory* MakeHttpBridgeFactory(