Get rid of URLLoaderFactory in browser-side case

content/browser/service_worker/service_worker_fetch_dispatcher.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/service_worker/service_worker_fetch_dispatcher.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 31 matching lines @@
 namespace {
 
 // This class wraps a mojo::AssociatedInterfacePtr<URLLoader>. It also is a
 // URLLoader implementation and delegates URLLoader calls to the wrapped loader.
 class DelegatingURLLoader final : public mojom::URLLoader {
  public:
   explicit DelegatingURLLoader(mojom::URLLoaderAssociatedPtr loader)
       : binding_(this), loader_(std::move(loader)) {}
   ~DelegatingURLLoader() override {}
 
+  void Start(mojom::URLLoaderAssociatedRequest loader,
+             mojom::URLLoaderClientPtr client) override {
+    NOTREACHED();
+  }
+
   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|
@@ skipping 624 matching lines @@
     ServiceWorkerVersion* version,
     int event_finish_id,
     scoped_refptr<URLLoaderAssets> url_loader_assets,
     ServiceWorkerStatusCode status,
     base::Time dispatch_event_time) {
   version->FinishRequest(event_finish_id, status != SERVICE_WORKER_ERROR_ABORT,
                          dispatch_event_time);
 }
 
 }  // namespace content