Create ServiceWorkerProviderHost before starting worker

content/common/service_worker/service_worker_provider.mojom

Index: content/common/service_worker/service_worker_provider.mojom
diff --git a/content/common/service_worker/service_worker_provider.mojom b/content/common/service_worker/service_worker_provider.mojom
index 4016e4266254d6403c1afc96329018930ed3b932..66c0ee1d29b05b6c3fe3b1441de9ebb840d5d9bc 100644
--- a/content/common/service_worker/service_worker_provider.mojom
+++ b/content/common/service_worker/service_worker_provider.mojom
@@ -7,6 +7,20 @@ module content.mojom;
 import "content/common/service_worker/service_worker_provider_interfaces.mojom";
 import "content/common/service_worker/service_worker_types.mojom";
 
+// A container object carried from the browser to the renderer process.
+// This contains the params for the constructor of ServiceWorkerNetworkProvider.
+// This is passed on launching a service worker.

[falken, 2017/06/19 07:50:40]

"for the constructor of ServiceWorkerNetworkProvider used for starting a service
worker" and delete the final sentence.

[shimazu, 2017/06/19 10:41:25]

Done.

+struct ServiceWorkerProviderInfoForStartWorker {
+  int32 provider_id;
+  // |registration| and |attributes| are information about the service worker's
+  // registration used to populate ServiceWorkerGlobalScope#registration.
+  ServiceWorkerRegistrationObjectInfo registration;
+  ServiceWorkerVersionAttributes attributes;
+
+  associated ServiceWorkerProviderHost host_ptr_info;
+  associated ServiceWorkerProvider& client_request;
+};
+
 // A container object carried from the renderer to the browser process.
 // This contains the parameters to specify the provider on the browser side.
 // See also comments in