input-implicit-length-limit.html times out on Mac and Linux debug

Observed after https://chromium-review.googlesource.com/c/chromium/src/+/2462900

NOTRY=TRUE

Tbr: tkent
Change-Id: I1cfe9edba0dd717fa4fbb88c3a43b712a6f00d3e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2503518
Commit-Queue: Dominik Röttsches <drott@chromium.org>
Reviewed-by: Dominik Röttsches <drott@chromium.org>
Cr-Commit-Position: refs/heads/master@{#821673}

third_party/blink/web_tests/TestExpectations

@@ -1193,6 +1193,7 @@ crbug.com/1040826 [ Win ] fast/forms/text/text-font-height-mismatch.html [ Failu
 crbug.com/1040826 [ Linux ] fast/selectors/input-with-selection-pseudo-element.html [ Failure ]
 crbug.com/1040826 [ Win ] fast/selectors/input-with-selection-pseudo-element.html [ Failure ]
 crbug.com/1040826 fast/table/cell-change-baseline-then-border.html [ Failure ]
+crbug.com/1040826 fast/forms/text/input-implicit-length-limit.html [ Timeout Pass ]
 
 # ====== LayoutNG-only failures until here ======