| Index: LayoutTests/http/tests/serviceworker/unregister.html
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| diff --git a/LayoutTests/http/tests/serviceworker/unregister.html b/LayoutTests/http/tests/serviceworker/unregister.html
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| index cadeb871b9330dd61f3673b3afdd1c362ba9d328..1aa8417543a7ff4ce558e81de1f925aba341e567 100644
 | 
| --- a/LayoutTests/http/tests/serviceworker/unregister.html
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| +++ b/LayoutTests/http/tests/serviceworker/unregister.html
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| @@ -44,6 +44,9 @@ async_test(function(t) {
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|  async_test(function(t) {
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|    var state_promise;
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|    service_worker_unregister_and_register(t, 'resources/empty-worker.js')
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| +    .then(function(registration) {
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| +      return wait_for_update(t, registration);
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| +    })
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|      .then(function(sw) {
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|        state_promise = wait_for_state(t, sw, 'redundant');
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|        return navigator.serviceWorker.unregister();
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| 
 |