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This CL prevents the Translate page pedal from appearing when the
current_url is any builtin chrome:// URL, including chrome://newtab .
This prevents bad message crashes when in guest mode (see bug).

Bug: 1131136
Change-Id: Id0c05a66d3bd6509c0f5f3b242555607fc6dcec1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2432209
Commit-Queue: Orin Jaworski <orinj@chromium.org>
Reviewed-by: manuk hovanesian <manukh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#810913}