Mandate unique_ptr for base::IDMap in IDMapOwnPointer mode.

content/child/push_messaging/push_provider.cc

Index: content/child/push_messaging/push_provider.cc
diff --git a/content/child/push_messaging/push_provider.cc b/content/child/push_messaging/push_provider.cc
index 2f0293ef2345cdf5a652ee90a2070148b4b62bfb..ae2f406dabc4c021512bffdfff7310ccc1591242 100644
--- a/content/child/push_messaging/push_provider.cc
+++ b/content/child/push_messaging/push_provider.cc
@@ -104,7 +104,9 @@ void PushProvider::subscribe(
   DCHECK(service_worker_registration);
   DCHECK(callbacks);
   int request_id = push_dispatcher_->GenerateRequestId(CurrentWorkerId());
-  subscription_callbacks_.AddWithID(callbacks, request_id);
+  subscription_callbacks_.AddWithID(
+      std::unique_ptr<blink::WebPushSubscriptionCallbacks>(callbacks),
+      request_id);
   int64_t service_worker_registration_id =
       GetServiceWorkerRegistrationId(service_worker_registration);
   PushSubscriptionOptions content_options;
@@ -125,7 +127,9 @@ void PushProvider::unsubscribe(
   DCHECK(callbacks);
 
   int request_id = push_dispatcher_->GenerateRequestId(CurrentWorkerId());
-  unsubscribe_callbacks_.AddWithID(callbacks, request_id);
+  unsubscribe_callbacks_.AddWithID(
+      std::unique_ptr<blink::WebPushUnsubscribeCallbacks>(callbacks),
+      request_id);
 
   int64_t service_worker_registration_id =
       GetServiceWorkerRegistrationId(service_worker_registration);
@@ -139,7 +143,9 @@ void PushProvider::getSubscription(
   DCHECK(service_worker_registration);
   DCHECK(callbacks);
   int request_id = push_dispatcher_->GenerateRequestId(CurrentWorkerId());
-  subscription_callbacks_.AddWithID(callbacks, request_id);
+  subscription_callbacks_.AddWithID(
+      std::unique_ptr<blink::WebPushSubscriptionCallbacks>(callbacks),
+      request_id);
   int64_t service_worker_registration_id =
       GetServiceWorkerRegistrationId(service_worker_registration);
   thread_safe_sender_->Send(new PushMessagingHostMsg_GetSubscription(
@@ -153,7 +159,9 @@ void PushProvider::getPermissionStatus(
   DCHECK(service_worker_registration);
   DCHECK(callbacks);
   int request_id = push_dispatcher_->GenerateRequestId(CurrentWorkerId());
-  permission_status_callbacks_.AddWithID(callbacks, request_id);
+  permission_status_callbacks_.AddWithID(
+      std::unique_ptr<blink::WebPushPermissionStatusCallbacks>(callbacks),
+      request_id);
   int64_t service_worker_registration_id =
       GetServiceWorkerRegistrationId(service_worker_registration);
   thread_safe_sender_->Send(new PushMessagingHostMsg_GetPermissionStatus(