Simulate transient error and verify exponential backoff.

chrome/browser/sync/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_sync_manager_observer.h"
 
 #include <cstddef>
 
 #include "base/basictypes.h"
 #include "base/tracked.h"
@@ skipping 71 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_router_,
               RouteJsEvent("onSyncCycleCompleted",
                            HasDetailsAsDictionary(expected_details)));
 
   sync_manager_observer_.OnSyncCycleCompleted(&snapshot);
 }
 
@@ skipping 198 matching lines @@
     sync_manager_observer_.OnChangesApplied(syncable::ModelTypeFromInt(i),
                                             &trans, &changes[i],
                                             syncable::MODEL_TYPE_COUNT - i);
   }
 
   test_user_share.TearDown();
 }
 
 }  // namespace
 }  // namespace browser_sync