Simulate transient error and verify exponential backoff.

chrome/browser/sync/js/js_sync_manager_observer_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/sync/js/js_sync_manager_observer.h"
 
 #include <cstddef>
 
 #include "base/basictypes.h"
 #include "base/message_loop.h"
@@ skipping 88 matching lines @@
                                          false,
                                          syncable::ModelTypeBitSet(),
                                          download_progress_markers,
                                          false,
                                          true,
                                          100,
                                          8,
                                          5,
                                          false,
                                          sessions::SyncSourceInfo(),
-                                         0);
+                                         0,
+                                         base::Time::Now());
   DictionaryValue expected_details;
   expected_details.Set("snapshot", snapshot.ToValue());
 
   EXPECT_CALL(mock_js_event_handler_,
               HandleJsEvent("onSyncCycleCompleted",
                            HasDetailsAsDictionary(expected_details)));
 
   js_sync_manager_observer_.OnSyncCycleCompleted(&snapshot);
   PumpLoop();
 }
@@ skipping 205 matching lines @@
                                                &trans, &changes[i],
                                                syncable::MODEL_TYPE_COUNT - i);
   }
 
   test_user_share.TearDown();
   PumpLoop();
 }
 
 }  // namespace
 }  // namespace browser_sync