Add RetainedRef uses where needed.

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/logging.h"
 #include "base/macros.h"
@@ skipping 91 matching lines @@
   if (GetContext()) {
     GetContext()->RemoveAllProviderHostsForProcess(render_process_id_);
     GetContext()->embedded_worker_registry()->RemoveChildProcessSender(
         render_process_id_);
   }
 }
 
 void ServiceWorkerDispatcherHost::Init(
     ServiceWorkerContextWrapper* context_wrapper) {
   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
-    BrowserThread::PostTask(
-        BrowserThread::IO, FROM_HERE,
-        base::Bind(&ServiceWorkerDispatcherHost::Init,
-                   this, make_scoped_refptr(context_wrapper)));
+    BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
+                            base::Bind(&ServiceWorkerDispatcherHost::Init, this,
+                                       base::RetainedRef(context_wrapper)));
     return;
   }
 
   context_wrapper_ = context_wrapper;
   if (!GetContext())
     return;
   GetContext()->embedded_worker_registry()->AddChildProcessSender(
       render_process_id_, this, message_port_message_filter_);
 }
 
@@ skipping 1264 matching lines @@
   if (!handle) {
     bad_message::ReceivedBadMessage(this,
                                     bad_message::SWDH_TERMINATE_BAD_HANDLE);
     return;
   }
   handle->version()->StopWorker(
       base::Bind(&ServiceWorkerUtils::NoOpStatusCallback));
 }
 
 }  // namespace content