chromeos: extract ShellViewsDelegate into its own header

And makes ash_standalone use it too.

BUG=none
TEST=none

Change-Id: Iba9f80c0fd4d6a40928efce574df15e2faf75c9e
Reviewed-on: https://chromium-review.googlesource.com/546695
Reviewed-by: Elliot Glaysher <[email protected]>
Commit-Queue: Scott Violet <[email protected]>
Cr-Commit-Position: refs/heads/master@{#481993}
diff --git a/ash/shell/shell_views_delegate.h b/ash/shell/shell_views_delegate.h
new file mode 100644
index 0000000..d14c175
--- /dev/null
+++ b/ash/shell/shell_views_delegate.h
@@ -0,0 +1,32 @@
+// Copyright 2017 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 ASH_SHELL_SHELL_VIEWS_DELEGATE_H_
+#define ASH_SHELL_SHELL_VIEWS_DELEGATE_H_
+
+#include "ui/views/test/test_views_delegate.h"
+
+namespace ash {
+namespace shell {
+
+class ShellViewsDelegate : public views::TestViewsDelegate {
+ public:
+  ShellViewsDelegate();
+  ~ShellViewsDelegate() override;
+
+  // views::TestViewsDelegate:
+  views::NonClientFrameView* CreateDefaultNonClientFrameView(
+      views::Widget* widget) override;
+  void OnBeforeWidgetInit(
+      views::Widget::InitParams* params,
+      views::internal::NativeWidgetDelegate* delegate) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ShellViewsDelegate);
+};
+
+}  // namespace shell
+}  // namespace ash
+
+#endif  // ASH_SHELL_SHELL_VIEWS_DELEGATE_H_