[ChromeOS] Make GaiaAutheFetcher parsing logic default to service_unavailable

chrome/common/net/gaia/gaia_auth_fetcher_unittest.cc

Index: chrome/common/net/gaia/gaia_auth_fetcher_unittest.cc
diff --git a/chrome/common/net/gaia/gaia_auth_fetcher_unittest.cc b/chrome/common/net/gaia/gaia_auth_fetcher_unittest.cc
index 47df6b7d7d7fe5db1ae98355dcb28dd880e52b3c..be42c583c08d071418c6a22d61546a9d2f25bc19 100644
--- a/chrome/common/net/gaia/gaia_auth_fetcher_unittest.cc
+++ b/chrome/common/net/gaia/gaia_auth_fetcher_unittest.cc
@@ -157,7 +157,7 @@ TEST_F(GaiaAuthFetcherTest, TokenNetFailure) {
 
 
 TEST_F(GaiaAuthFetcherTest, LoginDenied) {
-  std::string data("Error: NO!");
+  std::string data("Error=BadAuthentication");
   URLRequestStatus status(URLRequestStatus::SUCCESS, 0);
 
   GoogleServiceAuthError expected_error(
@@ -312,6 +312,22 @@ TEST_F(GaiaAuthFetcherTest, AccountDisabledError) {
   EXPECT_EQ(error.state(), GoogleServiceAuthError::ACCOUNT_DISABLED);
 }
 
+TEST_F(GaiaAuthFetcherTest,BadAuthenticationError) {
+  URLRequestStatus status(URLRequestStatus::SUCCESS, 0);
+  std::string data = "Error=BadAuthentication\n";
+  GoogleServiceAuthError error =
+      GaiaAuthFetcher::GenerateAuthError(data, status);
+  EXPECT_EQ(error.state(), GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS);
+}
+
+TEST_F(GaiaAuthFetcherTest,IncomprehensibleError) {
+  URLRequestStatus status(URLRequestStatus::SUCCESS, 0);
+  std::string data = "Error=Gobbledygook\n";
+  GoogleServiceAuthError error =
+      GaiaAuthFetcher::GenerateAuthError(data, status);
+  EXPECT_EQ(error.state(), GoogleServiceAuthError::SERVICE_UNAVAILABLE);
+}
+
 TEST_F(GaiaAuthFetcherTest,ServiceUnavailableError) {
   URLRequestStatus status(URLRequestStatus::SUCCESS, 0);
   std::string data = "Error=ServiceUnavailable\n";