Implement dumb URLLoader{Factory} for ServiceWorker script loading

content/child/service_worker/service_worker_network_provider.h

Index: content/child/service_worker/service_worker_network_provider.h
diff --git a/content/child/service_worker/service_worker_network_provider.h b/content/child/service_worker/service_worker_network_provider.h
index 2d7ef62be8abc41728719d3fc28ba2964ce82032..cd10b62a10b1abbadc651866a8b74d8a4f514b27 100644
--- a/content/child/service_worker/service_worker_network_provider.h
+++ b/content/child/service_worker/service_worker_network_provider.h
@@ -70,6 +70,10 @@ class CONTENT_EXPORT ServiceWorkerNetworkProvider {
   int provider_id() const { return provider_id_; }
   ServiceWorkerProviderContext* context() const { return context_.get(); }
 
+  mojom::URLLoaderFactory* script_loader_factory() {
+    return script_loader_factory_.get();
+  }
+
   bool IsControlledByServiceWorker() const;
 
  private:
@@ -77,6 +81,8 @@ class CONTENT_EXPORT ServiceWorkerNetworkProvider {
   scoped_refptr<ServiceWorkerProviderContext> context_;
   mojom::ServiceWorkerDispatcherHostAssociatedPtr dispatcher_host_;
   mojom::ServiceWorkerProviderHostAssociatedPtr provider_host_;
+  mojom::URLLoaderFactoryAssociatedPtr script_loader_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerNetworkProvider);
 };