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Bug is identical to the last :/. No idea why it's much more frequent with mojo,
possibly a race is likely to happen when destroying a frame: |callback_| is
destroyed due to frame being destroyed, and authorization is failed for the
same reason. With the per process message filter, authorization wouldn't fail
due to the frame being destructed.

Bug: 819277
Cq-Include-Trybots: master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel
Change-Id: Ic17dc96d2c83a08732b43094bac2f2c3fa7035ad
Reviewed-on: https://chromium-review.googlesource.com/951774
Commit-Queue: Max Morin <maxmorin@chromium.org>
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#541801}