The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/e91c63172c67544b11170de90e82dcd71a0f5799

commit e91c63172c67544b11170de90e82dcd71a0f5799
Author: gambard <gambard@chromium.org>
Date: Mon Feb 20 13:01:35 2017

Use component ImageFetcher instead of iOS one.

The ImageFetcher used in iOS is equivalent to the ImageFetcher used in
components with the iOS ImageDecoder.

BUG= 689020 

Review-Url: https://codereview.chromium.org/2697043005
Cr-Commit-Position: refs/heads/master@{#451610}

[modify] https://crrev.com/e91c63172c67544b11170de90e82dcd71a0f5799/ios/chrome/browser/ntp_snippets/ios_chrome_content_suggestions_service_factory.cc
[modify] https://crrev.com/e91c63172c67544b11170de90e82dcd71a0f5799/ios/chrome/browser/suggestions/BUILD.gn
[delete] https://crrev.com/fc155c2704ad95817d98efb4c3dbec239c4c17cb/ios/chrome/browser/suggestions/image_fetcher_impl.h
[delete] https://crrev.com/fc155c2704ad95817d98efb4c3dbec239c4c17cb/ios/chrome/browser/suggestions/image_fetcher_impl.mm
[modify] https://crrev.com/e91c63172c67544b11170de90e82dcd71a0f5799/ios/chrome/browser/suggestions/suggestions_service_factory.mm