Use DCHECKs when observing only a single notification.

chrome/browser/policy/cloud/user_cloud_policy_invalidator.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 "chrome/browser/policy/cloud/user_cloud_policy_invalidator.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 46 matching lines @@
 void UserCloudPolicyInvalidator::Shutdown() {
   CloudPolicyInvalidator::Shutdown();
 }
 
 void UserCloudPolicyInvalidator::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
   // Initialize now that profile creation is complete and the invalidation
   // service can safely be initialized.
-  DCHECK(type == chrome::NOTIFICATION_PROFILE_ADDED);
+  DCHECK_EQ(chrome::NOTIFICATION_PROFILE_ADDED, type);
   invalidation::ProfileInvalidationProvider* invalidation_provider =
       invalidation::ProfileInvalidationProviderFactory::GetForProfile(profile_);
   if (invalidation_provider)
     Initialize(invalidation_provider->GetInvalidationService());
 }
 
 }  // namespace policy