Sorry I'm not clear what the issue is here?

Favicons are disappearing for sites that haven’t been visited for a long time. We should switch to another service (like the one used by bookmarks) so that the favicons are pinned in the cache.

Deleted: Missing Favicons.png 254 KB

	Missing Favicons.png 254 KB View Download

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/7216805dea11123adb68d66f41eceb0305ce6743

commit 7216805dea11123adb68d66f41eceb0305ce6743
Author: vasilii <vasilii@chromium.org>
Date: Fri Jan 11 08:32:53 2019

Rename IsBookmarked and GetBookmarks of HistoryBackendClient to be generic.

The password manager UI uses the icons as well and they are to be pinned.

Bug: 916199
Change-Id: Ic2e1472d2373d3ab53cbf8aa6a93b15c9cd7a3b7
Reviewed-on: https://chromium-review.googlesource.com/c/1386853
Reviewed-by: Sergio Collazos <sczs@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Vasilii Sukhanov <vasilii@chromium.org>
Cr-Commit-Position: refs/heads/master@{#621948}
[modify] https://crrev.com/7216805dea11123adb68d66f41eceb0305ce6743/chrome/browser/history/android/android_provider_backend.cc
[modify] https://crrev.com/7216805dea11123adb68d66f41eceb0305ce6743/chrome/browser/history/chrome_history_backend_client.cc
[modify] https://crrev.com/7216805dea11123adb68d66f41eceb0305ce6743/chrome/browser/history/chrome_history_backend_client.h
[modify] https://crrev.com/7216805dea11123adb68d66f41eceb0305ce6743/components/history/core/browser/expire_history_backend.cc
[modify] https://crrev.com/7216805dea11123adb68d66f41eceb0305ce6743/components/history/core/browser/expire_history_backend.h
[modify] https://crrev.com/7216805dea11123adb68d66f41eceb0305ce6743/components/history/core/browser/history_backend.cc
[modify] https://crrev.com/7216805dea11123adb68d66f41eceb0305ce6743/components/history/core/browser/history_backend_client.h
[modify] https://crrev.com/7216805dea11123adb68d66f41eceb0305ce6743/components/history/core/test/history_client_fake_bookmarks.cc
[modify] https://crrev.com/7216805dea11123adb68d66f41eceb0305ce6743/ios/chrome/browser/history/history_backend_client_impl.cc
[modify] https://crrev.com/7216805dea11123adb68d66f41eceb0305ce6743/ios/chrome/browser/history/history_backend_client_impl.h