chrome/utility/chrome_content_utility_client.cc + the PatchService is why. I don't think it's used.

jcivelli: added the patching service. Cna I remove it?
https://chromium-review.googlesource.com/c/chromium/src/+/1144206

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/ac8bf3cd3e37abc44dd515c5c0005b153a2c0b23

commit ac8bf3cd3e37abc44dd515c5c0005b153a2c0b23
Author: Yaron Friedman <yfriedman@chromium.org>
Date: Fri Jul 20 15:06:30 2018

Don't link courgette into chrome on Android.

Removes the PatchService from the Utility Process for Android as it's unused
but pulls in Courgette. Compiling this out saves at least 25kb.

Bug:  865593 
Change-Id: I86f3e72bba02b16af912a1855fbc6118433759a9
Reviewed-on: https://chromium-review.googlesource.com/1144206
Commit-Queue: Yaron Friedman <yfriedman@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Yaron Friedman <yfriedman@chromium.org>
Reviewed-by: Jay Civelli <jcivelli@chromium.org>
Cr-Commit-Position: refs/heads/master@{#576864}
[modify] https://crrev.com/ac8bf3cd3e37abc44dd515c5c0005b153a2c0b23/chrome/browser/BUILD.gn
[modify] https://crrev.com/ac8bf3cd3e37abc44dd515c5c0005b153a2c0b23/chrome/browser/chrome_content_browser_client.cc
[modify] https://crrev.com/ac8bf3cd3e37abc44dd515c5c0005b153a2c0b23/chrome/utility/BUILD.gn
[modify] https://crrev.com/ac8bf3cd3e37abc44dd515c5c0005b153a2c0b23/chrome/utility/chrome_content_utility_client.cc