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This aids in debugging various crashes that might occur during
navigation.

Bug: internal b/118459412
Test: CQ
Change-Id: Iacb798075dde879bb45a41827b155b96004c2130
Reviewed-on: https://chromium-review.googlesource.com/c/1321150Reviewed-by: Luke Halliwell <halliwell@chromium.org>
Commit-Queue: Sean Topping <seantopping@chromium.org>
Cr-Commit-Position: refs/heads/master@{#605890}