Supprot V2 app: step1

athena/main/athena_views_delegate.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 ATHENA_MAIN_ATHENA_VIEWS_DELEGATE_H_
+#define ATHENA_MAIN_ATHENA_VIEWS_DELEGATE_H_
+
+#include "ui/views/views_delegate.h"
+
+namespace athena {
+
+class AthenaViewsDelegate : public views::ViewsDelegate {
+ public:
+  AthenaViewsDelegate() {}
+  virtual ~AthenaViewsDelegate() {}
+
+ private:
+  // views::ViewsDelegate:
+  virtual void OnBeforeWidgetInit(
+      views::Widget::InitParams* params,
+      views::internal::NativeWidgetDelegate* delegate) OVERRIDE;
+  virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
+      views::Widget* widget) OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(AthenaViewsDelegate);
+};
+
+}  // namespace athena
+
+#endif  // ATHENA_MAIN_ATHENA_VIEWS_DELEGATE_H_