Convert base::Bind and base::Callback in components/component_updater to Once/Repeating

Bug: 1007677
Change-Id: Icb307b143a5776768d7b23e3c2d925b417d0dafa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2040672Reviewed-by: Joshua Pawlicki <waffles@chromium.org>
Commit-Queue: Ayu Ishii <ayui@chromium.org>
Cr-Commit-Position: refs/heads/master@{#739024}

components/component_updater/component_updater_service.cc

@@ -97,8 +97,9 @@ void CrxUpdateService::Start() {
   scheduler_->Schedule(
       base::TimeDelta::FromSeconds(config_->InitialDelay()),
       base::TimeDelta::FromSeconds(config_->NextCheckDelay()),
-      base::Bind(base::IgnoreResult(&CrxUpdateService::CheckForUpdates),
-                 base::Unretained(this)),
+      base::BindRepeating(
+          base::IgnoreResult(&CrxUpdateService::CheckForUpdates),
+          base::Unretained(this)),
       base::DoNothing());
 }