Revert "Adds some code to help isolate where crash is happening"

This reverts commit 20033018f07a6708eec6611955428dc47c4c1220.

Original CL: https://codereview.chromium.org/1358163006

This code is no longer needed as the crash is now pretty well
understood.

BUG=534719,542062
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Review URL: https://codereview.chromium.org/1391903004

Cr-Commit-Position: refs/heads/master@{#353552}
23 files changed