Reland "Fix black screen when navigating to somewhere after js alert dialog"

This reverts commit a3a9024981816aec8cf0edbda8339eacfd01c6a3.

Reason for revert: <INSERT REASONING HERE>

Original change's description:
> Revert "Fix black screen when navigating to somewhere after js alert dialog"
> 
> This reverts commit b0e9d50585da3d21999be546f218392ff175cbf6.
> 
> Reason for revert: Test revert to diagnose issue 926054
> 
> Original change's description:
> > Fix black screen when navigating to somewhere after js alert dialog
> > 
> > The renderer's surface should not be destroyed while it is still
> > visible, because future CompositorFrames to that surface will be
> > rejected.
> > 
> > Bug: 933374
> > Change-Id: I46c34bad903f052bfd2ee43e6b673a8ef26fca30
> > Reviewed-on: https://chromium-review.googlesource.com/c/1495368
> > Commit-Queue: Saman Sami <samans@chromium.org>
> > Reviewed-by: Eric Karl <ericrk@chromium.org>
> > Cr-Commit-Position: refs/heads/master@{#636567}
> 
> TBR=samans@chromium.org,ericrk@chromium.org
> 
> # Not skipping CQ checks because original CL landed > 1 day ago.
> 
> Bug: 933374, 926054
> Change-Id: Id3bf348a1cf2b09b282e337890d42255cd7b90f7
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1509768
> Reviewed-by: Eric Karl <ericrk@chromium.org>
> Reviewed-by: Jonathan Ross <jonross@chromium.org>
> Commit-Queue: Eric Karl <ericrk@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#638840}

TBR=jonross@chromium.org,samans@chromium.org,ericrk@chromium.org

Change-Id: Ib0c8c739668c78b4bbbbaa34fb273018f0256444
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: 933374, 926054
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1510762
Reviewed-by: Eric Karl <ericrk@chromium.org>
Commit-Queue: Eric Karl <ericrk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#638903}
2 files changed