Remove debug code for crbug.com/758186

Crash is fixed. Remove debug code / logging.

Bug: 758186
Change-Id: I4c0633820005e7f28cf16b8c26fab60758ac1b14
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1534371
Reviewed-by: Andrew Grieve <agrieve@chromium.org>
Reviewed-by: Alex Moshchuk <alexmos@chromium.org>
Commit-Queue: Bo <boliu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#643097}
3 files changed