Serialize form_data in Gnome keyring password store service.

components/autofill/core/common/form_data_unittest.cc

Index: components/autofill/core/common/form_data_unittest.cc
diff --git a/components/autofill/core/common/form_data_unittest.cc b/components/autofill/core/common/form_data_unittest.cc
index 3b75ab87492571c2e800ee83fcab73b2b61c1bb3..57cb6d782da4d30504a636a726c56d149c3a6662 100644
--- a/components/autofill/core/common/form_data_unittest.cc
+++ b/components/autofill/core/common/form_data_unittest.cc
@@ -147,4 +147,18 @@ TEST(FormDataTest, SerializeIncorrectFormatAndDeserialize) {
   EXPECT_FALSE(DeserializeFormData(&iter, &actual));
 }
 
+TEST(FormDataTest, SerializeAndDeserializeInStrings) {
+  FormData data;
+  FillInDummyFormData(&data);
+  data.is_form_tag = false;
+
+  std::string serialized_data;
+  SerializeFormData(data, &serialized_data);
+
+  FormData actual;
+  EXPECT_TRUE(DeserializeFormData(serialized_data.c_str(), &actual));
+
+  EXPECT_TRUE(actual.SameFormAs(data));
+}
+
 }  // namespace autofill