The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/56ce061ee96941c746bb98be90331f6cf6c4002e

commit 56ce061ee96941c746bb98be90331f6cf6c4002e
Author: olivierrobin <olivierrobin@chromium.org>
Date: Wed Mar 22 12:08:41 2017

Reading List iOS: Use external clock in ReadingListEntry.

Currently, tests need to spin the runloop to make sure clock advance.
Use an external clock so we can set the time as needed.

BUG= 703187 

Review-Url: https://codereview.chromium.org/2764533002
Cr-Commit-Position: refs/heads/master@{#458723}

[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/BUILD.gn
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_entry.cc
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_entry.h
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_entry_unittest.cc
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_model.h
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_model_impl.cc
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_model_impl.h
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_model_storage.h
[rename] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_model_unittest.cc
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_store.cc
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_store.h
[rename] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/components/reading_list/ios/reading_list_store_unittest.cc
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/ios/chrome/browser/reading_list/reading_list_download_service.cc
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/ios/chrome/browser/reading_list/reading_list_model_factory.cc
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/ios/chrome/browser/reading_list/reading_list_web_state_observer_unittest.mm
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/ios/chrome/browser/ui/reading_list/reading_list_collection_view_controller_unittest.mm
[modify] https://crrev.com/56ce061ee96941c746bb98be90331f6cf6c4002e/ios/chrome/browser/ui/reading_list/reading_list_coordinator_unittest.mm