Yet more ApplicationDelegate -> ApplicationImplBase conversion.

services/http_server/http_server_app.cc

 // Copyright 2015 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 <memory>
 
 #include "mojo/public/c/system/main.h"
 #include "mojo/public/cpp/application/application_impl_base.h"
 #include "mojo/public/cpp/application/run_application.h"
 #include "mojo/public/cpp/application/service_provider_impl.h"
 #include "mojo/services/http_server/interfaces/http_server_factory.mojom.h"
 #include "services/http_server/http_server_factory_impl.h"
 #include "services/http_server/http_server_impl.h"
 
 namespace http_server {
 
 class HttpServerApp : public mojo::ApplicationImplBase {
  public:
   HttpServerApp() {}
   ~HttpServerApp() override {}
 
  private:
-  // ApplicationDelegate:
+  // ApplicationImplBase:
   bool OnAcceptConnection(
       mojo::ServiceProviderImpl* service_provider_impl) override {
     service_provider_impl->AddService<HttpServerFactory>([this](
         const mojo::ConnectionContext& connection_context,
         mojo::InterfaceRequest<HttpServerFactory> http_server_factory_request) {
       if (!http_server_factory_)
         http_server_factory_.reset(new HttpServerFactoryImpl(shell()));
 
       http_server_factory_->AddBinding(http_server_factory_request.Pass());
     });
     return true;
   }
 
   std::unique_ptr<HttpServerFactoryImpl> http_server_factory_;
 };
 
 }  // namespace http_server
 
 MojoResult MojoMain(MojoHandle application_request) {
   http_server::HttpServerApp http_server_app;
   return mojo::RunApplication(application_request, &http_server_app);
 }