[Views] Instrument unmasking prompt initial implementation

chrome/chrome_browser_ui.gypi

 # Copyright 2012 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.
 
 {
   'variables': {
     'chrome_browser_ui_non_ios_sources': [
       'browser/ui/accelerator_utils.h',
       'browser/ui/android/android_about_app_info.cc',
       'browser/ui/android/android_about_app_info.h',
@@ skipping 1880 matching lines @@
       'browser/ui/views/apps/shaped_app_window_targeter.cc',
       'browser/ui/views/apps/shaped_app_window_targeter.h',
       'browser/ui/views/ash/tab_scrubber.cc',
       'browser/ui/views/ash/tab_scrubber.h',
       'browser/ui/views/autofill/autofill_dialog_views.cc',
       'browser/ui/views/autofill/autofill_dialog_views.h',
       'browser/ui/views/autofill/autofill_popup_base_view.cc',
       'browser/ui/views/autofill/autofill_popup_base_view.h',
       'browser/ui/views/autofill/autofill_popup_view_views.cc',
       'browser/ui/views/autofill/autofill_popup_view_views.h',
+      'browser/ui/views/autofill/card_unmask_prompt_views.cc',
       'browser/ui/views/autofill/decorated_textfield.cc',
       'browser/ui/views/autofill/decorated_textfield.h',
       'browser/ui/views/autofill/expanding_textfield.cc',
       'browser/ui/views/autofill/expanding_textfield.h',
       'browser/ui/views/autofill/generated_credit_card_bubble_views.cc',
       'browser/ui/views/autofill/generated_credit_card_bubble_views.h',
       'browser/ui/views/autofill/info_bubble.cc',
       'browser/ui/views/autofill/info_bubble.h',
       'browser/ui/views/autofill/new_credit_card_bubble_views.cc',
       'browser/ui/views/autofill/new_credit_card_bubble_views.h',
@@ skipping 1182 matching lines @@
         ['OS!="android" and OS!="ios"', {
           'dependencies': [
             '../device/bluetooth/bluetooth.gyp:device_bluetooth',
           ],
           'sources': [ '<@(chrome_browser_ui_non_mobile_sources)' ],
         }],
       ],
     },
   ],
 }