[ServiceWorker] Mojofy InstallEvent of Service Worker

content/common/service_worker/service_worker_event_dispatcher.mojom

Index: content/common/service_worker/service_worker_event_dispatcher.mojom
diff --git a/content/common/service_worker/service_worker_event_dispatcher.mojom b/content/common/service_worker/service_worker_event_dispatcher.mojom
index 42d1218c722ed180f477bab8fddc1260c56e745b..83820479ece5784a57b3c886a9cc4b0e9c170ca7 100644
--- a/content/common/service_worker/service_worker_event_dispatcher.mojom
+++ b/content/common/service_worker/service_worker_event_dispatcher.mojom
@@ -12,6 +12,7 @@ import "third_party/WebKit/public/platform/modules/background_sync/background_sy
 import "third_party/WebKit/public/platform/modules/fetch/fetch_api_request.mojom";
 import "third_party/WebKit/public/platform/modules/serviceworker/service_worker_event_status.mojom";
 import "url/mojo/origin.mojom";
+import "url/mojo/url.mojom";
 
 [Native]
 struct PlatformNotificationData;
@@ -57,6 +58,10 @@ struct ExtendableMessageEvent {
 // 'simple events'. ServiceWorkerVersion::CreateSimpleEventCallback can be used
 // to create the callback for these.
 interface ServiceWorkerEventDispatcher {
+  DispatchInstallEvent(associated ServiceWorkerInstallEventMethods method)
+      => (blink.mojom.ServiceWorkerEventStatus status,
+          bool has_fetch_handler,
+          mojo.common.mojom.Time dispatch_event_time);
   DispatchActivateEvent()
       => (blink.mojom.ServiceWorkerEventStatus status,
           mojo.common.mojom.Time dispatch_event_time);
@@ -114,3 +119,11 @@ interface ServiceWorkerEventDispatcher {
   // dispatch an event.
   Ping() => ();
 };
+
+// This interface is passed from the browser to the renderer with
+// DispatchInstallEvent. The ordering between RegisterForeignFetchScopes and the
+// callback of DispatchInstallEvent should be preserved.
+interface ServiceWorkerInstallEventMethods {
+  RegisterForeignFetchScopes(array<url.mojom.Url> sub_scopes,
+                             array<url.mojom.Origin> origins);
+};