[Mojo-Loading] Implement URLLoader::SetPriority

content/browser/service_worker/service_worker_fetch_dispatcher.cc

Index: content/browser/service_worker/service_worker_fetch_dispatcher.cc
diff --git a/content/browser/service_worker/service_worker_fetch_dispatcher.cc b/content/browser/service_worker/service_worker_fetch_dispatcher.cc
index 988e693db7de19b6e8ef0c4b4cff94ef5998a3b9..80eaa520540113ad39d3177731b76d605390e35c 100644
--- a/content/browser/service_worker/service_worker_fetch_dispatcher.cc
+++ b/content/browser/service_worker/service_worker_fetch_dispatcher.cc
@@ -46,6 +46,11 @@ class DelegatingURLLoader final : public mojom::URLLoader {
 
   void FollowRedirect() override { loader_->FollowRedirect(); }
 
+  void SetPriority(mojom::RequestPriority priority,
+                   int intra_priority_value) override {
+    loader_->SetPriority(priority, intra_priority_value);
+  }
+
   mojom::URLLoaderPtr CreateInterfacePtrAndBind() {
     auto p = binding_.CreateInterfacePtrAndBind();
     // This unretained pointer is safe, because |binding_| is owned by |this|