Sync: Display non-severe errors on about:sync in gray color rather than red.

chrome/browser/sync/profile_sync_service_mock.h

Index: chrome/browser/sync/profile_sync_service_mock.h
diff --git a/chrome/browser/sync/profile_sync_service_mock.h b/chrome/browser/sync/profile_sync_service_mock.h
index 6f451dab27fa7f4b68f2e55dccadec7be1ba043d..b17a8c3e4342f6489747778ebc7b98e1eaeecdfa 100644
--- a/chrome/browser/sync/profile_sync_service_mock.h
+++ b/chrome/browser/sync/profile_sync_service_mock.h
@@ -57,7 +57,8 @@ class ProfileSyncServiceMock : public ProfileSyncService {
   MOCK_METHOD2(OnUnrecoverableError,
                void(const tracked_objects::Location& location,
                const std::string& message));
-  MOCK_METHOD3(DisableDatatype, void(syncer::ModelType,
+  MOCK_METHOD4(DisableDatatype, void(syncer::ModelType,
+               syncer::ErrorType,
                const tracked_objects::Location&,
                std::string message));
   MOCK_CONST_METHOD0(GetUserShare, syncer::UserShare*());