Simplify the ApplicationLoader interface in preparation for changes.

shell/android/native_viewport_application_loader.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 MOJO_SHELL_ANDROID_NATIVE_VIEWPORT_APPLICATION_LOADER_H_
 #define MOJO_SHELL_ANDROID_NATIVE_VIEWPORT_APPLICATION_LOADER_H_
 
 #include "mojo/public/cpp/application/application_delegate.h"
 #include "mojo/public/cpp/application/interface_factory.h"
 #include "mojo/services/gpu/public/interfaces/gpu.mojom.h"
@@ skipping 12 matching lines @@
                                         public ApplicationDelegate,
                                         public InterfaceFactory<Keyboard>,
                                         public InterfaceFactory<NativeViewport>,
                                         public InterfaceFactory<Gpu> {
  public:
   NativeViewportApplicationLoader();
   ~NativeViewportApplicationLoader();
 
  private:
   // ApplicationLoader implementation.
-  void Load(ApplicationManager* manager,
-            const GURL& url,
-            InterfaceRequest<Application> application_request,
-            LoadCallback callback) override;
+  void Load(const GURL& url,
+            InterfaceRequest<Application> application_request) override;
 
   void OnApplicationError(ApplicationManager* manager,
                           const GURL& url) override;
 
   // ApplicationDelegate implementation.
   bool ConfigureIncomingConnection(
       mojo::ApplicationConnection* connection) override;
 
   // InterfaceFactory<NativeViewport> implementation.
   void Create(ApplicationConnection* connection,
@@ skipping 10 matching lines @@
   scoped_refptr<gles2::GpuImpl::State> gpu_state_;
   scoped_ptr<ApplicationImpl> app_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeViewportApplicationLoader);
 };
 
 }  // namespace shell
 }  // namespace mojo
 
 #endif  // MOJO_SHELL_ANDROID_NATIVE_VIEWPORT_APPLICATION_LOADER_H_