Use the "chrome-devtools://" scheme to open devtools.

brightray/browser/devtools_ui.h

@@ -0,0 +1,28 @@
+// 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 BRIGHTRAY_BROWSER_DEVTOOLS_UI_H_
+#define BRIGHTRAY_BROWSER_DEVTOOLS_UI_H_
+
+#include "base/compiler_specific.h"
+#include "content/public/browser/web_ui_controller.h"
+
+namespace brightray {
+
+class BrowserContext;
+
+class DevToolsUI : public content::WebUIController {
+ public:
+  explicit DevToolsUI(BrowserContext* browser_context, content::WebUI* web_ui);
+
+ private:
+  // Weak reference to the browser context.
+  BrowserContext* browser_context_;
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsUI);
+};
+
+}
+
+#endif