sync: SyncableService support for starting sync

chrome/browser/webdata/autocomplete_syncable_service.cc

Index: chrome/browser/webdata/autocomplete_syncable_service.cc
diff --git a/chrome/browser/webdata/autocomplete_syncable_service.cc b/chrome/browser/webdata/autocomplete_syncable_service.cc
index 11edecd56ce8fcc8a8d20162b6f3545382f9326d..76333fa8f74186f6556ac31dd34388c460d0a832 100644
--- a/chrome/browser/webdata/autocomplete_syncable_service.cc
+++ b/chrome/browser/webdata/autocomplete_syncable_service.cc
@@ -127,6 +127,12 @@ AutocompleteSyncableService::AutocompleteSyncableService()
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::DB));
 }
 
+
+void AutocompleteSyncableService::InjectStartSyncFlare(
+    const syncer::StartSyncFlare& flare) {
+  flare_ = flare;
+}
+
 syncer::SyncMergeResult AutocompleteSyncableService::MergeDataAndStartSyncing(
     syncer::ModelType type,
     const syncer::SyncDataList& initial_sync_data,
@@ -308,8 +314,12 @@ void AutocompleteSyncableService::AutofillEntriesChanged(
   // up we are going to process all when MergeData..() is called. If we receive
   // notification after the sync exited, it will be sinced next time Chrome
   // starts.
-  if (sync_processor_.get())
+  if (sync_processor_.get()) {
     ActOnChanges(changes);
+  } else if (!flare_.is_null()) {
+    flare_.Run(syncer::AUTOFILL);
+    flare_.Reset();
+  }
 }
 
 bool AutocompleteSyncableService::LoadAutofillData(