sync: don't allow NULL profile in ProfileSyncService and friends

chrome/browser/sync/profile_sync_service_unittest.cc

Index: chrome/browser/sync/profile_sync_service_unittest.cc
diff --git a/chrome/browser/sync/profile_sync_service_unittest.cc b/chrome/browser/sync/profile_sync_service_unittest.cc
index 636435e0966658a27dbee3d49d704ec068d9762e..76569a78e98163748dd97e34b1b1695184d98665 100644
--- a/chrome/browser/sync/profile_sync_service_unittest.cc
+++ b/chrome/browser/sync/profile_sync_service_unittest.cc
@@ -195,8 +195,10 @@ TEST_F(ProfileSyncServiceTest, InitialState) {
 // Tests that the sync service doesn't forget to notify observers about
 // setup state.
 TEST(ProfileSyncServiceTestBasic, SetupInProgress) {
+  scoped_ptr<TestingProfile> profile(new TestingProfile());
   ProfileSyncService service(
-      NULL, NULL, NULL, NULL, ProfileSyncService::MANUAL_START);
+      NULL, profile.get(), NULL, NULL,
+      ProfileSyncService::MANUAL_START);
   TestProfileSyncServiceObserver observer(&service);
   service.AddObserver(&observer);
   service.SetSetupInProgress(true);