Moves NativeViewportApplicationLoader into own files

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/application_manager/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"
+#include "mojo/services/native_viewport/public/interfaces/native_viewport.mojom.h"
+#include "services/gles2/gpu_impl.h"
+
+namespace mojo {
+
+class ApplicationImpl;
+
+namespace shell {
+
+class NativeViewportApplicationLoader : public ApplicationLoader,
+                                        public ApplicationDelegate,
+                                        public InterfaceFactory<NativeViewport>,
+                                        public InterfaceFactory<Gpu> {
+ public:
+  NativeViewportApplicationLoader();
+  ~NativeViewportApplicationLoader();
+
+ private:
+  // ApplicationLoader implementation.
+  void Load(ApplicationManager* manager,
+            const GURL& url,
+            ScopedMessagePipeHandle shell_handle,
+            LoadCallback callback) override;
+
+  void OnApplicationError(ApplicationManager* manager,
+                          const GURL& url) override;
+
+  // ApplicationDelegate implementation.
+  bool ConfigureIncomingConnection(
+      mojo::ApplicationConnection* connection) override;
+
+  // InterfaceFactory<NativeViewport> implementation.
+  void Create(ApplicationConnection* connection,
+              InterfaceRequest<NativeViewport> request) override;
+
+  // InterfaceFactory<Gpu> implementation.
+  void Create(ApplicationConnection* connection,
+              InterfaceRequest<Gpu> request) override;
+
+  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_