The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/891bc75c4c20d091b55ca5267e547d9f9749155d

commit 891bc75c4c20d091b55ca5267e547d9f9749155d
Author: spqchan <spqchan@chromium.org>
Date: Tue Sep 20 21:10:12 2016

[Mac] Desaturate the Favicon for Network Errors

BUG= 644369 

Review-Url: https://codereview.chromium.org/2321833002
Cr-Commit-Position: refs/heads/master@{#419854}

[modify] https://crrev.com/891bc75c4c20d091b55ca5267e547d9f9749155d/chrome/browser/favicon/favicon_utils.cc
[modify] https://crrev.com/891bc75c4c20d091b55ca5267e547d9f9749155d/chrome/browser/favicon/favicon_utils.h
[modify] https://crrev.com/891bc75c4c20d091b55ca5267e547d9f9749155d/chrome/browser/ui/cocoa/tab_contents/favicon_util_mac.mm
[modify] https://crrev.com/891bc75c4c20d091b55ca5267e547d9f9749155d/chrome/browser/ui/views/tabs/browser_tab_strip_controller.cc
[modify] https://crrev.com/891bc75c4c20d091b55ca5267e547d9f9749155d/chrome/browser/ui/views/tabs/tab.cc
[modify] https://crrev.com/891bc75c4c20d091b55ca5267e547d9f9749155d/chrome/browser/ui/views/tabs/tab_renderer_data.h

This looks good in Canary. Thanks.

Awesome