Part 2 of base::IDMap refactor to eliminate IDMapOwnPointer/IDMapExternalPointer modes

content/browser/service_worker/service_worker_context_core.h

Index: content/browser/service_worker/service_worker_context_core.h
diff --git a/content/browser/service_worker/service_worker_context_core.h b/content/browser/service_worker/service_worker_context_core.h
index 977a2ae998822b0bc39e8d19de18801fd18b8ffb..09549501228e53f4a10fab29fcc52b508799e921 100644
--- a/content/browser/service_worker/service_worker_context_core.h
+++ b/content/browser/service_worker/service_worker_context_core.h
@@ -68,8 +68,8 @@ class CONTENT_EXPORT ServiceWorkerContextCore
                               int64_t registration_id)> UpdateCallback;
   typedef base::Callback<
       void(ServiceWorkerStatusCode status)> UnregistrationCallback;
-  typedef IDMap<ServiceWorkerProviderHost, IDMapOwnPointer> ProviderMap;
-  typedef IDMap<ProviderMap, IDMapOwnPointer> ProcessToProviderMap;
+  typedef IDMap<std::unique_ptr<ServiceWorkerProviderHost>> ProviderMap;
+  typedef IDMap<std::unique_ptr<ProviderMap>> ProcessToProviderMap;
 
   using ProviderByClientUUIDMap =
       std::map<std::string, ServiceWorkerProviderHost*>;