Make app time controller enforce web time limit

This Cl corrects an issue where WebTimeLimitEnforcer
is not notified when time limit is reached. This happens
at the beginning of the session.

Bug: 1062012
Change-Id: I7a14e618dbd5b74b5adcaa1c588d64aea088533c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2105619
Commit-Queue: Yilkal Abe <yilkal@chromium.org>
Reviewed-by: Aga Wronska <agawronska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#751475}

chrome/browser/chromeos/child_accounts/time_limits/app_time_controller.cc

@@ -270,6 +270,21 @@ AppTimeController::AppTimeController(Profile* profile)
 
   // Record enagement metrics.
   base::UmaHistogramCounts1000(kEngagementMetric, apps_with_limit_);
+
+  // If chrome is paused at the beginning of the session, notify
+  // web_time_enforcer directly. This is a workaround for bug in AppService that
+  // occurs at the beginning of the session. It could be removed when
+  // AppService successfully calls OnWebTimeLimitReached at the beginning of
+  // sessions.
+  if (app_registry_->IsAppInstalled(GetChromeAppId()) &&
+      app_registry_->IsAppTimeLimitReached(GetChromeAppId())) {
+    base::Optional<AppLimit> web_time_limit = app_registry_->GetWebTimeLimit();
+    DCHECK(web_time_limit);
+    DCHECK(web_time_limit->daily_limit());
+    DCHECK(web_time_enforcer_);
+    web_time_enforcer_->OnWebTimeLimitReached(
+        web_time_limit->daily_limit().value());
+  }
 }
 
 AppTimeController::~AppTimeController() {