UMA metrics added for HID detection dialog.

chrome/browser/ui/webui/chromeos/login/hid_detection_screen_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_HID_DETECTION_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_HID_DETECTION_SCREEN_HANDLER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 152 matching lines @@
   InputDeviceInfo::Type pointing_device_connect_type_;
 
   // Current keyboard device, if any.
   std::string keyboard_device_name_;
   std::string keyboard_device_id_;
   bool keyboard_is_pairing_;
   InputDeviceInfo::Type keyboard_device_connect_type_;
 
   bool switch_on_adapter_when_ready_;
 
-  bool skip_screen_if_devices_present_;
+  bool first_time_screen_show_;
 
   base::WeakPtrFactory<HIDDetectionScreenHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(HIDDetectionScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_HID_DETECTION_SCREEN_HANDLER_H_