Move //components/webusb/ to //chrome/browser/

components/webusb/webusb_detector.cc

-// Copyright 2015 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.
-
-#include "components/webusb/webusb_detector.h"
-
-#include "components/webusb/webusb_browser_client.h"
-#include "device/core/device_client.h"
-#include "device/usb/usb_device.h"
-#include "device/usb/usb_ids.h"
-
-namespace webusb {
-
-WebUsbDetector::WebUsbDetector(WebUsbBrowserClient* webusb_browser_client)
-    : webusb_browser_client_(webusb_browser_client), observer_(this) {
-  Initialize();
-}
-
-WebUsbDetector::~WebUsbDetector() {}
-
-void WebUsbDetector::Initialize() {
-  if (!webusb_browser_client_) {
-    return;
-  }
-
-  device::UsbService* usb_service =
-      device::DeviceClient::Get()->GetUsbService();
-  if (!usb_service)
-    return;
-
-  observer_.Add(usb_service);
-}
-
-void WebUsbDetector::OnDeviceAdded(scoped_refptr<device::UsbDevice> device) {
-  const base::string16& product_name = device->product_string();
-  if (product_name.empty()) {
-    return;
-  }
-
-  const GURL& landing_page = device->webusb_landing_page();
-  if (!landing_page.is_valid()) {
-    return;
-  }
-
-  std::string notification_id = device->guid();
-
-  webusb_browser_client_->OnDeviceAdded(product_name, landing_page,
-                                        notification_id);
-}
-
-void WebUsbDetector::OnDeviceRemoved(scoped_refptr<device::UsbDevice> device) {
-  std::string notification_id = device->guid();
-  webusb_browser_client_->OnDeviceRemoved(notification_id);
-}
-
-}  // namespace webusb