The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/a417678f1f2f7f45c2077eb417baaa8fc2c90821

commit a417678f1f2f7f45c2077eb417baaa8fc2c90821
Author: gambard <gambard@chromium.org>
Date: Tue Jul 25 16:40:25 2017

Remove offline icon in ContentSuggestions

The offline icon brings more clutter than information, it should be
removed.

Bug:  747963 
Change-Id: I5538352d7702f434f8781691169afc862c1f1fda
Reviewed-on: https://chromium-review.googlesource.com/584839
Reviewed-by: Jean-François Geyelin <jif@chromium.org>
Reviewed-by: Jan Krcal <jkrcal@chromium.org>
Commit-Queue: Gauthier Ambard <gambard@chromium.org>
Cr-Commit-Position: refs/heads/master@{#489335}
[modify] https://crrev.com/a417678f1f2f7f45c2077eb417baaa8fc2c90821/components/ntp_snippets/content_suggestion.h
[modify] https://crrev.com/a417678f1f2f7f45c2077eb417baaa8fc2c90821/components/ntp_snippets/reading_list/reading_list_suggestions_provider.cc
[modify] https://crrev.com/a417678f1f2f7f45c2077eb417baaa8fc2c90821/ios/chrome/app/strings/ios_strings.grd
[modify] https://crrev.com/a417678f1f2f7f45c2077eb417baaa8fc2c90821/ios/chrome/browser/content_suggestions/mediator_util.mm
[modify] https://crrev.com/a417678f1f2f7f45c2077eb417baaa8fc2c90821/ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_cell.h
[modify] https://crrev.com/a417678f1f2f7f45c2077eb417baaa8fc2c90821/ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_cell.mm
[modify] https://crrev.com/a417678f1f2f7f45c2077eb417baaa8fc2c90821/ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_item.h
[modify] https://crrev.com/a417678f1f2f7f45c2077eb417baaa8fc2c90821/ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_item.mm
[modify] https://crrev.com/a417678f1f2f7f45c2077eb417baaa8fc2c90821/ios/chrome/browser/ui/content_suggestions/cells/content_suggestions_item_unittest.mm
[modify] https://crrev.com/a417678f1f2f7f45c2077eb417baaa8fc2c90821/ios/showcase/content_suggestions/sc_content_suggestions_item.mm

Verified in 62.0.3173.0 canary, iPhone 6 plus iOS 10.3.3, iPhone 7 iOS11, iPad Pro iOS11

offline icon is removed from ContentSuggestions

https://drive.google.com/a/google.com/file/d/0B3EcbqLuR5TLRGl2dkxWSGdJYjQ/view