No longer trigger signin errors on connection_failed for sync.

chrome/browser/signin/signin_tracker_unittest.cc

Index: chrome/browser/signin/signin_tracker_unittest.cc
diff --git a/chrome/browser/signin/signin_tracker_unittest.cc b/chrome/browser/signin/signin_tracker_unittest.cc
index 5f174a7b496af6c5712b0681d02bef4df36d1663..41e4093365ffdd9118454cd5a9b72a86a228e3b3 100644
--- a/chrome/browser/signin/signin_tracker_unittest.cc
+++ b/chrome/browser/signin/signin_tracker_unittest.cc
@@ -363,10 +363,21 @@ TEST_F(SigninTrackerTest, SigninFailedGoogleServiceAuthError) {
 
 TEST_F(SigninTrackerTest, SigninFailedWhenInitializing) {
   tracker_.reset();
-  // SigninFailed() should be called.
+  // SigninFailed() should be called because we are not signed in.
   GoogleServiceAuthError error(GoogleServiceAuthError::REQUEST_CANCELED);
   EXPECT_CALL(observer_, SigninFailed(error));
   tracker_.reset(new SigninTracker(profile_.get(), &observer_,
                                    SigninTracker::SERVICES_INITIALIZING));
   tracker_->OnStateChanged();
 }
+
+TEST_F(SigninTrackerTest, ConnectionErrorWhenInitializing) {
+  // SigninFailed() should not be called for a CONNECTION_FAILED error.
+  GoogleServiceAuthError error(GoogleServiceAuthError::CONNECTION_FAILED);
+  ExpectSignedInSyncService(mock_pss_, mock_token_service_, error);
+  mock_signin_manager_->SetAuthenticatedUsername("username@gmail.com");
+  EXPECT_CALL(observer_, SigninFailed(_)).Times(0);
+  tracker_.reset(new SigninTracker(profile_.get(), &observer_,
+                                   SigninTracker::SERVICES_INITIALIZING));
+  tracker_->OnStateChanged();
+}