Add a stub implementation of the URLLoaderFactory for AppCache.

content/browser/url_loader_factory_getter.cc

 // Copyright 2017 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/url_loader_factory_getter.h"
 
 #include "base/bind.h"
+#include "content/browser/appcache/appcache_url_loader_factory.h"
 
 namespace content {
 
 URLLoaderFactoryGetter::URLLoaderFactoryGetter() {}
 
 void URLLoaderFactoryGetter::Initialize(
-    mojom::URLLoaderFactoryPtr network_factory) {
+    mojom::URLLoaderFactoryPtr network_factory,
+    ChromeAppCacheService* appcache_service) {
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::BindOnce(&URLLoaderFactoryGetter::InitializeOnIOThread, this,
-                     network_factory.PassInterface()));
+                     network_factory.PassInterface(), appcache_service));
 }
 
 mojom::URLLoaderFactoryPtr* URLLoaderFactoryGetter::GetNetworkFactory() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   return test_factory_.is_bound() ? &test_factory_ : &network_factory_;
 }
 
 void URLLoaderFactoryGetter::SetNetworkFactoryForTesting(
     mojom::URLLoaderFactoryPtr test_factory) {
   // Since the URLLoaderFactory pointers are bound on the IO thread, and this
   // method is called on the UI thread, we are not able to unbind and return the
   // old value. As such this class keeps two separate pointers, one for test.
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::BindOnce(&URLLoaderFactoryGetter::SetTestNetworkFactoryOnIOThread,
                      this, test_factory.PassInterface()));
 }
 
+mojom::URLLoaderFactoryPtr* URLLoaderFactoryGetter::GetAppCacheFactory() {
+  DCHECK_CURRENTLY_ON(BrowserThread::IO);
+  return &appcache_factory_;
+}
+
 URLLoaderFactoryGetter::~URLLoaderFactoryGetter() {}
 
 void URLLoaderFactoryGetter::InitializeOnIOThread(
-    mojom::URLLoaderFactoryPtrInfo network_factory) {
+    mojom::URLLoaderFactoryPtrInfo network_factory,
+    ChromeAppCacheService* appcache_service) {
   network_factory_.Bind(std::move(network_factory));
+
+  AppCacheURLLoaderFactory::CreateURLLoaderFactory(
+      mojo::MakeRequest(&appcache_factory_), appcache_service, this);
 }
 
 void URLLoaderFactoryGetter::SetTestNetworkFactoryOnIOThread(
     mojom::URLLoaderFactoryPtrInfo test_factory) {
   test_factory_.Bind(std::move(test_factory));
 }
 
 }  // namespace content