Add chrome://usb-internals page for adding and removing test devices.

chrome/browser/ui/webui/usb_internals/usb_internals_page_handler.h

+// Copyright 2016 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 CHROME_BROWSER_UI_WEBUI_USB_INTERNALS_USB_INTERNALS_PAGE_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_USB_INTERNALS_USB_INTERNALS_PAGE_HANDLER_H_
+
+#include "base/macros.h"
+#include "chrome/browser/ui/webui/mojo_web_ui_handler.h"
+#include "chrome/browser/ui/webui/usb_internals/usb_internals.mojom.h"
+#include "mojo/public/cpp/bindings/binding.h"
+
+class UsbInternalsPageHandler : public mojom::UsbInternalsPageHandler,
+                                public MojoWebUIHandler {
+ public:
+  explicit UsbInternalsPageHandler(
+      mojom::UsbInternalsPageHandlerRequest request);
+  ~UsbInternalsPageHandler() override;
+
+  // mojom::UsbInternalsPageHandler overrides:
+  void AddDeviceForTesting(
+      const std::string& name,
+      const std::string& serial_number,
+      const std::string& landing_page,
+      const std::string& allowed_origin,
+      const AddDeviceForTestingCallback& callback) override;
+  void RemoveDeviceForTesting(
+      const std::string& guid,
+      const RemoveDeviceForTestingCallback& callback) override;
+  void GetTestDevices(const GetTestDevicesCallback& callback) override;
+
+ private:
+  mojo::Binding<mojom::UsbInternalsPageHandler> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(UsbInternalsPageHandler);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_USB_INTERNALS_USB_INTERNALS_PAGE_HANDLER_H_