Reduce usage of FOR_EACH_OBSERVER macro in chrome/browser/signin

chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc

Index: chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc
diff --git a/chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc b/chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc
index 7e1c17bc0a0300032c68759270b9864691910f63..b153b173e879be8eb0a510d442f0f6b21312c2a3 100644
--- a/chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc
+++ b/chrome/browser/sync/sessions/sessions_sync_manager_unittest.cc
@@ -187,8 +187,8 @@ class TestSyncProcessorStub : public syncer::SyncChangeProcessor {
 
   void NotifyLocalChangeObservers() {
     const syncer::SyncChange empty_change;
-    FOR_EACH_OBSERVER(syncer::LocalChangeObserver, local_change_observers_,
-                      OnLocalChange(NULL, empty_change));
+    for (syncer::LocalChangeObserver& observer : local_change_observers_)
+      observer.OnLocalChange(NULL, empty_change);
   }
 
   void FailProcessSyncChangesWith(const syncer::SyncError& error) {