Implement ServiceWorkerFetchDispatcher::MaybeStartNavigationPreload().

content/browser/service_worker/service_worker_dispatcher_host.cc

 // Copyright 2013 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_dispatcher_host.h"
 
 #include <utility>
 
 #include "base/debug/crash_logging.h"
 #include "base/logging.h"
@@ skipping 48 matching lines @@
 void RunSoon(const base::Closure& callback) {
   if (!callback.is_null())
     base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE, callback);
 }
 
 }  // namespace
 
 ServiceWorkerDispatcherHost::ServiceWorkerDispatcherHost(
     int render_process_id,
     MessagePortMessageFilter* message_port_message_filter,
-    ResourceContext* resource_context)
+    ResourceContext* resource_context,
+    const MojoURLLoaderFactoryGetter& url_loader_factory_getter)
     : BrowserMessageFilter(kFilteredMessageClasses,
                            arraysize(kFilteredMessageClasses)),
       render_process_id_(render_process_id),
       message_port_message_filter_(message_port_message_filter),
       resource_context_(resource_context),
+      url_loader_factory_getter_(url_loader_factory_getter),
       channel_ready_(false),
       weak_factory_(this) {
   AddAssociatedInterface(
       mojom::ServiceWorkerDispatcherHost::Name_,
       base::Bind(&ServiceWorkerDispatcherHost::AddMojoBinding,
                  base::Unretained(this)));
 }
 
 ServiceWorkerDispatcherHost::~ServiceWorkerDispatcherHost() {
   if (GetContext()) {
@@ skipping 1355 matching lines @@
   if (!handle) {
     bad_message::ReceivedBadMessage(this,
                                     bad_message::SWDH_TERMINATE_BAD_HANDLE);
     return;
   }
   handle->version()->StopWorker(
       base::Bind(&ServiceWorkerUtils::NoOpStatusCallback));
 }
 
 }  // namespace content