Add missing passwords files to BUILD.gn

Two files were identified in
https://docs.google.com/spreadsheets/d/15az3FMl-jAS0mx4E9XVSBVHVpmEzo-9EAGY0ywe7bZs/edit#gid=0:

components/password_manager/core/browser/login_database_ios_unittest.cc
chrome/browser/ui/cocoa/passwords/password_prompt_bridge_interface.h

This CL adds them to the appropriate build files.

R=vasilii@chromium.org
BUG=None

Review-Url: https://codereview.chromium.org/2776673002
Cr-Commit-Position: refs/heads/master@{#459384}
2 files changed