Detect sync server communication errors

chrome/browser/sync/sessions/status_controller_unittest.cc

Index: chrome/browser/sync/sessions/status_controller_unittest.cc
diff --git a/chrome/browser/sync/sessions/status_controller_unittest.cc b/chrome/browser/sync/sessions/status_controller_unittest.cc
index 90e986004ba08053b21a7f18b13b3b996d660df1..cf720e593b1b5dae9c43e2d501abcb0fdf73fae7 100644
--- a/chrome/browser/sync/sessions/status_controller_unittest.cc
+++ b/chrome/browser/sync/sessions/status_controller_unittest.cc
@@ -130,6 +130,16 @@ TEST_F(StatusControllerTest, ReadYourWrites) {
   status.set_syncer_stuck(true);
   EXPECT_TRUE(status.syncer_status().syncer_stuck);
 
+  status.set_last_download_updates_result(SYNCER_OK);
+  EXPECT_EQ(SYNCER_OK, status.error().last_download_updates_result);
+
+  status.set_last_post_commit_result(SYNC_AUTH_ERROR);
+  EXPECT_EQ(SYNC_AUTH_ERROR, status.error().last_post_commit_result);
+
+  status.set_last_process_commit_response_result(SYNC_SERVER_ERROR);
+  EXPECT_EQ(SYNC_SERVER_ERROR,
+            status.error().last_process_commit_response_result);
+
   for (int i = 0; i < 14; i++)
     status.increment_num_successful_commits();
   EXPECT_EQ(14, status.syncer_status().num_successful_commits);