[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 2d892c777cd8f1f80c8682fdef1efef486a850ab..57ea251bfec66cc2817bc539f8dfb0f0de73b212 100644
--- a/content/browser/service_worker/service_worker_fetch_dispatcher.cc
+++ b/content/browser/service_worker/service_worker_fetch_dispatcher.cc
@@ -26,6 +26,7 @@
 #include "content/public/common/browser_side_navigation_policy.h"
 #include "mojo/public/cpp/bindings/associated_binding.h"
 #include "mojo/public/cpp/bindings/binding.h"
+#include "net/base/request_priority.h"
 #include "net/http/http_util.h"
 #include "net/log/net_log.h"
 #include "net/log/net_log_capture_mode.h"
@@ -46,6 +47,11 @@ class DelegatingURLLoader final : public mojom::URLLoader {
 
   void FollowRedirect() override { loader_->FollowRedirect(); }
 
+  void SetPriority(net::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|