Revert "Add a crash for debugging when we get into a bad state."

This reverts commit 56cc0f5cd062625b39f7e4d1f326313ea010383b.

We're actually seeing this crash in the wild. Let's see if we can craft
a workaround to the bug now that we know this.

TBR=danakj@chromium.org
BUG=381732

Review URL: https://codereview.chromium.org/1901813002

Cr-Commit-Position: refs/heads/master@{#387994}
2 files changed