Almost done: ApplicationDelegate -> ApplicationImplBase conversion.

shell/android/android_handler.h

 // Copyright 2014 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.
 
 #ifndef SHELL_ANDROID_ANDROID_HANDLER_H_
 #define SHELL_ANDROID_ANDROID_HANDLER_H_
 
 #include <jni.h>
 
 #include "base/single_thread_task_runner.h"
 #include "mojo/application/content_handler_factory.h"
-#include "mojo/public/cpp/application/application_delegate.h"
+#include "mojo/public/cpp/application/application_impl_base.h"
 #include "mojo/services/content_handler/interfaces/content_handler.mojom.h"
 #include "mojo/services/url_response_disk_cache/interfaces/url_response_disk_cache.mojom.h"
 
 namespace base {
 class FilePath;
 }
 
 namespace shell {
 
-class AndroidHandler : public mojo::ApplicationDelegate,
+class AndroidHandler : public mojo::ApplicationImplBase,
                        public mojo::ContentHandlerFactory::Delegate {
  public:
   AndroidHandler();
   ~AndroidHandler();
 
  private:
-  // mojo::ApplicationDelegate:
-  void Initialize(mojo::ApplicationImpl* app) override;
-  bool ConfigureIncomingConnection(
+  // mojo::ApplicationImplBase:
+  void OnInitialize() override;
+  bool OnAcceptConnection(
       mojo::ServiceProviderImpl* service_provider_impl) override;
 
   // mojo::ContentHandlerFactory::Delegate:
   void RunApplication(
       mojo::InterfaceRequest<mojo::Application> application_request,
       mojo::URLResponsePtr response) override;
 
   void ExtractApplication(base::FilePath* extracted_dir,
                           base::FilePath* cache_dir,
                           mojo::URLResponsePtr response,
                           const base::Closure& callback);
 
   mojo::URLResponseDiskCachePtr url_response_disk_cache_;
   scoped_refptr<base::SingleThreadTaskRunner> handler_task_runner_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(AndroidHandler);
 };
 
 bool RegisterAndroidHandlerJni(JNIEnv* env);
 
 }  // namespace shell
 
 #endif  // SHELL_ANDROID_ANDROID_HANDLER_H_