Add missing passwords files to BUILD.gn

chrome/browser/ui/BUILD.gn

 # 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.
 
 import("//build/config/chromecast_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 2856 matching lines @@
         "cocoa/passwords/base_passwords_content_view_controller.mm",
         "cocoa/passwords/confirmation_password_saved_view_controller.h",
         "cocoa/passwords/confirmation_password_saved_view_controller.mm",
         "cocoa/passwords/credential_item_button.h",
         "cocoa/passwords/credential_item_button.mm",
         "cocoa/passwords/credentials_selection_view.h",
         "cocoa/passwords/credentials_selection_view.mm",
         "cocoa/passwords/manage_passwords_view_controller.h",
         "cocoa/passwords/manage_passwords_view_controller.mm",
         "cocoa/passwords/password_item_views.h",
+        "cocoa/passwords/password_prompt_bridge_interface.h",
         "cocoa/passwords/password_prompt_view_bridge.h",
         "cocoa/passwords/password_prompt_view_bridge.mm",
         "cocoa/passwords/passwords_bubble_cocoa.h",
         "cocoa/passwords/passwords_bubble_cocoa.mm",
         "cocoa/passwords/passwords_bubble_controller.h",
         "cocoa/passwords/passwords_bubble_controller.mm",
         "cocoa/passwords/passwords_bubble_utils.h",
         "cocoa/passwords/passwords_bubble_utils.mm",
         "cocoa/passwords/passwords_list_view_controller.h",
         "cocoa/passwords/passwords_list_view_controller.mm",
@@ skipping 654 matching lines @@
       "test/test_confirm_bubble_model.cc",
       "test/test_confirm_bubble_model.h",
     ]
     deps += [ "//chrome/test:test_support_ui" ]
   }
 
   if (enable_extensions) {
     deps += [ "//extensions/browser" ]
   }
 }