sync: SyncableService support for starting sync

chrome/browser/webdata/autocomplete_syncable_service.h

Index: chrome/browser/webdata/autocomplete_syncable_service.h
diff --git a/chrome/browser/webdata/autocomplete_syncable_service.h b/chrome/browser/webdata/autocomplete_syncable_service.h
index fd3244c74443db11035feb502638fbe97ad9f5c5..2139a92bd9546f1e2c8086dee85ae37f8aaa012e 100644
--- a/chrome/browser/webdata/autocomplete_syncable_service.h
+++ b/chrome/browser/webdata/autocomplete_syncable_service.h
@@ -58,6 +58,8 @@ class AutocompleteSyncableService
   static syncer::ModelType model_type() { return syncer::AUTOFILL; }
 
   // syncer::SyncableService implementation.
+  virtual void InjectStartSyncFlare(
+      const syncer::StartSyncFlare& flare) OVERRIDE;
   virtual syncer::SyncMergeResult MergeDataAndStartSyncing(
       syncer::ModelType type,
       const syncer::SyncDataList& initial_sync_data,
@@ -165,6 +167,8 @@ class AutocompleteSyncableService
   // via UpdateCullingSetting.
   bool cull_expired_entries_;
 
+  syncer::StartSyncFlare flare_;
+
   DISALLOW_COPY_AND_ASSIGN(AutocompleteSyncableService);
 };