Almost done: ApplicationDelegate -> ApplicationImplBase conversion.

services/media/factory_service/network_reader_impl.cc

 // Copyright 2016 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 "base/logging.h"
 #include "mojo/public/cpp/application/connect.h"
 #include "mojo/public/cpp/system/data_pipe.h"
 #include "services/media/factory_service/network_reader_impl.h"
 
 namespace mojo {
@@ skipping 13 matching lines @@
       new NetworkReaderImpl(url, request.Pass(), owner));
 }
 
 NetworkReaderImpl::NetworkReaderImpl(const String& url,
                                      InterfaceRequest<SeekingReader> request,
                                      MediaFactoryService* owner)
     : MediaFactoryService::Product<SeekingReader>(this, request.Pass(), owner),
       url_(url) {
   NetworkServicePtr network_service;
 
-  ConnectToService(app()->shell(), "mojo:network_service",
+  ConnectToService(owner->shell(), "mojo:network_service",
                    GetProxy(&network_service));
 
   network_service->CreateURLLoader(GetProxy(&url_loader_));
 
   URLRequestPtr url_request(URLRequest::New());
   url_request->url = url_;
   url_request->method = "HEAD";
 
   url_loader_->Start(url_request.Pass(), [this](URLResponsePtr response) {
     // TODO(dalesat): Handle redirects.
@@ skipping 66 matching lines @@
       }
 
       DCHECK(response->body.is_valid());
       callback.Run(result_, response->body.Pass());
     });
   });
 }
 
 }  // namespace media
 }  // namespace mojo