[Installer] Cleaning up dead code for App Launcher / App Host installs.

chrome/installer/util/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.
 
 static_library("util") {
   deps = [
     "//base",
     "//chrome:resources",
     "//chrome:strings",
   ]
 
   if (is_win) {
     # TODO(GYP) installer_util on Windows.
     # This is a bit tricky. It seems that what's currently called
     # installer_util_nacl_win64 should be a different target with a different
     # name ("installer_util_minimal"?) since it's not strictly the 64-bit build
     # of that target.
     sources = [
-      "chrome_app_host_operations.cc",
-      "chrome_app_host_operations.h",
       "chrome_binaries_operations.cc",
       "chrome_binaries_operations.h",
       "chrome_browser_operations.cc",
       "chrome_browser_operations.h",
       "chrome_browser_sxs_operations.cc",
       "chrome_browser_sxs_operations.h",
       "chrome_frame_operations.cc",
       "chrome_frame_operations.h",
       "compat_checks.cc",
       "compat_checks.h",
       "delete_after_reboot_helper.cc",
       "delete_after_reboot_helper.h",
-      "eula_util.cc",
-      "eula_util.h",
       "google_chrome_distribution.cc",
       "google_chrome_distribution.h",
       "html_dialog.h",
       "html_dialog_impl.cc",
       "installation_validator.cc",
       "installation_validator.h",
       "logging_installer.cc",
       "logging_installer.h",
       "lzma_util.cc",
       "lzma_util.h",
@@ skipping 37 matching lines @@
       "app_commands.h",
       "app_registration_data.h",
       "auto_launch_util.cc",
       "auto_launch_util.h",
       "browser_distribution.cc",
       "browser_distribution.h",
       "callback_work_item.cc",
       "callback_work_item.h",
       "channel_info.cc",
       "channel_info.h",
-      "chrome_app_host_distribution.cc",
-      "chrome_app_host_distribution.h",
       "chrome_frame_distribution.cc",
       "chrome_frame_distribution.h",
       "chromium_binaries_distribution.cc",
       "chromium_binaries_distribution.h",
       "conditional_work_item_list.cc",
       "conditional_work_item_list.h",
       "copy_tree_work_item.cc",
       "copy_tree_work_item.h",
       "create_dir_work_item.cc",
       "create_dir_work_item.h",
@@ skipping 92 matching lines @@
 
   args = [
     "-i",
     rebase_path(grdfile, root_build_dir) + ":resources",
     "-n",
     "installer_util_strings",
     "-o",
     rebase_path(outdir, root_build_dir),
   ]
 }