[service worker] Add an additional CHECK to fix the crash

This CL adds an additional CHECK to ensure that the controller status
is REDUNDADNT when crash happens.

Bug: 1021718
Change-Id: I534d1198fb1f27368e41435d8127f6530a7e4bbb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2087500Reviewed-by: Makoto Shimazu <shimazu@chromium.org>
Reviewed-by: Kenichi Ishibashi <bashi@chromium.org>
Commit-Queue: Yuzu Saijo <yuzus@chromium.org>
Auto-Submit: Yuzu Saijo <yuzus@chromium.org>
Cr-Commit-Position: refs/heads/master@{#747703}

content/browser/service_worker/service_worker_version.cc

@@ -739,9 +739,13 @@ void ServiceWorkerVersion::AddControllee(
   // TODO(crbug.com/1021718): Change to DCHECK once we figure out the cause of
   // crash.
   CHECK(!base::Contains(controllee_map_, uuid));
-  // TODO(crbug.com/951571): Change to DCHECK once we figured out the cause of
-  // invalid controller status.
-  CHECK(status_ == ACTIVATING || status_ == ACTIVATED);
+
+  // TODO(yuzus, crbug.com/951571): Remove these CHECKs once we figure out the
+  // cause of crash.
+  CHECK_NE(status_, NEW);
+  CHECK_NE(status_, INSTALLING);
+  CHECK_NE(status_, INSTALLED);
+  CHECK_NE(status_, REDUNDANT);
 
   if (base::FeatureList::IsEnabled(
           features::kServiceWorkerTerminationOnNoControllee) &&