refactor: move devtools from brightray to atom (#15234)

atom/browser/ui/devtools_ui.h

@@ -0,0 +1,27 @@
+// Copyright (c) 2011 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-CHROMIUM file.
+
+#ifndef ATOM_BROWSER_UI_DEVTOOLS_UI_H_
+#define ATOM_BROWSER_UI_DEVTOOLS_UI_H_
+
+#include "base/compiler_specific.h"
+#include "content/public/browser/browser_context.h"
+#include "content/public/browser/web_ui_controller.h"
+
+namespace atom {
+
+class BrowserContext;
+
+class DevToolsUI : public content::WebUIController {
+ public:
+  explicit DevToolsUI(content::BrowserContext* browser_context,
+                      content::WebUI* web_ui);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DevToolsUI);
+};
+
+}  // namespace atom
+
+#endif  // ATOM_BROWSER_UI_DEVTOOLS_UI_H_