Fix bug with using enums as default values in mojom. We were previously

mojo/public/bindings/tests/sample_service_unittest.cc

Index: mojo/public/bindings/tests/sample_service_unittest.cc
diff --git a/mojo/public/bindings/tests/sample_service_unittest.cc b/mojo/public/bindings/tests/sample_service_unittest.cc
index 8f5590bc88d1c343601cabd4bd979814e859c8fa..4c8a9a07e8ebd41bdb4c5e6cd1ee8b69a00ce07c 100644
--- a/mojo/public/bindings/tests/sample_service_unittest.cc
+++ b/mojo/public/bindings/tests/sample_service_unittest.cc
@@ -343,8 +343,8 @@ TEST(BindingsSampleTest, DefaultValues) {
   EXPECT_EQ(1u, full.shape_masks().size());
   EXPECT_EQ(1 << imported::SHAPE_RECTANGLE, full.shape_masks()[0]);
 
-  EXPECT_EQ(imported::SHAPE_RECTANGLE, full.thing().shape());
-  EXPECT_EQ(imported::COLOR_RED, full.thing().color());
+  EXPECT_EQ(imported::SHAPE_CIRCLE, full.thing().shape());
+  EXPECT_EQ(imported::COLOR_BLACK, full.thing().color());
 }
 
 }  // namespace sample