Log device/usb messages to chrome://device-log.

chrome/browser/ui/webui/device_log_ui.cc

 // Copyright 2014 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 "chrome/browser/ui/webui/device_log_ui.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 53 matching lines @@
   html->AddLocalizedString("logLevelUserText", IDS_DEVICE_LOG_LEVEL_USER);
   html->AddLocalizedString("logLevelEventText", IDS_DEVICE_LOG_LEVEL_EVENT);
   html->AddLocalizedString("logLevelDebugText", IDS_DEVICE_LOG_LEVEL_DEBUG);
   html->AddLocalizedString("logLevelFileinfoText", IDS_DEVICE_LOG_FILEINFO);
   html->AddLocalizedString("logLevelTimeDetailText",
                            IDS_DEVICE_LOG_TIME_DETAIL);
 
   html->AddLocalizedString("logTypeLoginText", IDS_DEVICE_LOG_TYPE_LOGIN);
   html->AddLocalizedString("logTypeNetworkText", IDS_DEVICE_LOG_TYPE_NETWORK);
   html->AddLocalizedString("logTypePowerText", IDS_DEVICE_LOG_TYPE_POWER);
+  html->AddLocalizedString("logTypeUsbText", IDS_DEVICE_LOG_TYPE_USB);
 
   html->AddLocalizedString("logEntryFormat", IDS_DEVICE_LOG_ENTRY);
   html->SetJsonPath("strings.js");
   html->AddResourcePath("device_log_ui.css", IDR_DEVICE_LOG_UI_CSS);
   html->AddResourcePath("device_log_ui.js", IDR_DEVICE_LOG_UI_JS);
   html->SetDefaultResource(IDR_DEVICE_LOG_UI_HTML);
 
   content::WebUIDataSource::Add(web_ui->GetWebContents()->GetBrowserContext(),
                                 html);
 }
 
 DeviceLogUI::~DeviceLogUI() {
 }
 
 }  // namespace chromeos