| Index: LayoutTests/virtual/threaded/fast/idle-callback/timeout.html
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| diff --git a/LayoutTests/virtual/threaded/fast/idle-callback/timeout.html b/LayoutTests/virtual/threaded/fast/idle-callback/timeout.html
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| index cbf0a2d38550b89c2af58563c1e68a14958a6a14..7a2e62d3dda52444537649c20bc0b9ef57ca5822 100644
 | 
| --- a/LayoutTests/virtual/threaded/fast/idle-callback/timeout.html
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| +++ b/LayoutTests/virtual/threaded/fast/idle-callback/timeout.html
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| @@ -44,7 +44,7 @@ async_test(function() {
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|    var idle_callback = this.step_func(function(deadline) {
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|      var time_delta = performance.now() - idle_callback_scheduled;
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|      assert_true(time_delta >= timeout, "Should only have been run after timeout");
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| -    assert_true(deadline.timeRemaining == 0, "IdleDeadline.timeRemaining MUST be equal to zero if requestIdleCallback was scheduled due to a timeout");
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| +    assert_true(deadline.timeRemaining() == 0, "IdleDeadline.timeRemaining MUST be equal to zero if requestIdleCallback was scheduled due to a timeout");
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|      assert_true(deadline.didTimeout, "IdleDeadline.didTimeout MUST be true if requestIdleCallback was scheduled due to a timeout");
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|      assert_true(busy_raf_loop_iterations_remaining > 0, "Busy rAF loop should still be going");
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|      this.done();
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| 
 |