sync: Remove ClearUserData command.

sync/internal_api/js_sync_manager_observer.cc

Index: sync/internal_api/js_sync_manager_observer.cc
diff --git a/sync/internal_api/js_sync_manager_observer.cc b/sync/internal_api/js_sync_manager_observer.cc
index ae1449e888e5ea5e5757af2d82e2aaeaccc66839..fe9fa6518849c2859aef0d4b7f81632dd2bdf9f5 100644
--- a/sync/internal_api/js_sync_manager_observer.cc
+++ b/sync/internal_api/js_sync_manager_observer.cc
@@ -142,20 +142,6 @@ void JsSyncManagerObserver::OnStopSyncingPermanently() {
   HandleJsEvent(FROM_HERE, "onStopSyncingPermanently", JsEventDetails());
 }
 
-void JsSyncManagerObserver::OnClearServerDataSucceeded() {
-  if (!event_handler_.IsInitialized()) {
-    return;
-  }
-  HandleJsEvent(FROM_HERE, "onClearServerDataSucceeded", JsEventDetails());
-}
-
-void JsSyncManagerObserver::OnClearServerDataFailed() {
-  if (!event_handler_.IsInitialized()) {
-    return;
-  }
-  HandleJsEvent(FROM_HERE, "onClearServerDataFailed", JsEventDetails());
-}
-
 void JsSyncManagerObserver::HandleJsEvent(
     const tracked_objects::Location& from_here,
     const std::string& name, const JsEventDetails& details) {