ServiceWorker: Enable CHECK to confirm crash doesn't happen

content/browser/service_worker/service_worker_provider_host.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/service_worker/service_worker_provider_host.h"
 
 #include <utility>
 
 #include "base/guid.h"
 #include "base/stl_util.h"
@@ skipping 263 matching lines @@
     return;
 
   // Disassociation message should be sent only for controllees.
   DCHECK(IsProviderForClient());
   Send(new ServiceWorkerMsg_DisassociateRegistration(
       render_thread_id_, provider_id()));
 }
 
 void ServiceWorkerProviderHost::AddMatchingRegistration(
     ServiceWorkerRegistration* registration) {
-  DCHECK(
+  // TODO(shimazu): Change CHECK to DCHECK when it's confirmed that
+  // https://crbug.com/634222 has been fixed.
+  CHECK(
       ServiceWorkerUtils::ScopeMatches(registration->pattern(), document_url_));
   if (!IsContextSecureForServiceWorker())
     return;
   size_t key = registration->pattern().spec().size();
   if (base::ContainsKey(matching_registrations_, key))
     return;
   IncreaseProcessReference(registration->pattern());
   registration->AddListener(this);
   matching_registrations_[key] = registration;
   ReturnRegistrationForReadyIfNeeded();
@@ skipping 376 matching lines @@
       Send(new ServiceWorkerMsg_SetControllerServiceWorker(
           render_thread_id_, provider_id(),
           GetOrCreateServiceWorkerHandle(
               associated_registration_->active_version()),
           false /* shouldNotifyControllerChange */));
     }
   }
 }
 
 }  // namespace content