Remove app_installer code.

build/gn_migration.gypi

 # Copyright (c) 2015 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.
 
 # This file defines five targets that we are using to track the progress of the
 # GYP->GN migration:
 #
 # 'both_gn_and_gyp' lists what GN is currently capable of building and should
 # match the 'both_gn_and_gyp' target in //BUILD.gn.
 #
@@ skipping 593 matching lines @@
 
             # TODO(GYP): in progress - see tfarina.
             '../third_party/webrtc/tools/tools.gyp:frame_analyzer',
             '../third_party/webrtc/tools/tools.gyp:rgba_to_i420_converter',
           ],
         }],
         ['OS=="win"', {
           'dependencies': [
             # TODO(GYP): All of these targets still need to be converted.
             '../base/base.gyp:debug_message',
-            '../chrome/chrome.gyp:app_installer',
-            '../chrome/chrome.gyp:app_installer_unittests',
             '../chrome/chrome.gyp:app_shim',
             '../chrome/chrome.gyp:gcapi_dll',
             '../chrome/chrome.gyp:gcapi_test',
             '../chrome/chrome.gyp:installer_util_unittests',
             '../chrome/chrome.gyp:pack_policy_templates',
             '../chrome/chrome.gyp:sb_sigutil',
             '../chrome/chrome.gyp:setup',
             '../chrome/chrome.gyp:setup_unittests',
             '../chrome/installer/mini_installer.gyp:mini_installer',
             '../chrome/tools/crash_service/caps/caps.gyp:caps',
@@ skipping 43 matching lines @@
           'dependencies': [
             # TODO(GYP): All of these targets need to be ported over.
             '../components/components.gyp:policy_win64',
           ]
         }],
       ],
     },
   ]
 }