Steps:
1- Fresh install of Chrome
2- Open Suggestions UI

No suggested articles are displayed.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/4c48f1a300005c92a453e7864979b4780c2a9ac7

commit 4c48f1a300005c92a453e7864979b4780c2a9ac7
Author: gambard <gambard@chromium.org>
Date: Mon Mar 06 17:45:40 2017

Suggested Articles can be dismissed

Add the logic allowing the suggested articles to be dismissed in the UI and in
the backend.

BUG= 693031 ,  698247 ,  698685 

Review-Url: https://codereview.chromium.org/2736653002
Cr-Commit-Position: refs/heads/master@{#454882}

[modify] https://crrev.com/4c48f1a300005c92a453e7864979b4780c2a9ac7/ios/chrome/browser/content_suggestions/content_suggestions_coordinator.mm
[modify] https://crrev.com/4c48f1a300005c92a453e7864979b4780c2a9ac7/ios/chrome/browser/content_suggestions/content_suggestions_mediator.h
[modify] https://crrev.com/4c48f1a300005c92a453e7864979b4780c2a9ac7/ios/chrome/browser/content_suggestions/content_suggestions_mediator.mm
[modify] https://crrev.com/4c48f1a300005c92a453e7864979b4780c2a9ac7/ios/chrome/browser/ui/content_suggestions/content_suggestions_commands.h
[modify] https://crrev.com/4c48f1a300005c92a453e7864979b4780c2a9ac7/ios/chrome/browser/ui/content_suggestions/content_suggestions_view_controller.h
[modify] https://crrev.com/4c48f1a300005c92a453e7864979b4780c2a9ac7/ios/chrome/browser/ui/content_suggestions/content_suggestions_view_controller.mm

Please can you provide more clear test steps to verify the issue, Thanks.

This feature is not launched yet, it will be part of the test plan.