[Clean Skeleton] Migrate code to clean/

ios/chrome/app/BUILD.gn

 # Copyright 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.
 
 import("//build/config/ios/rules.gni")
 import("//build/config/mac/base_rules.gni")
 import("//build/mac/tweak_info_plist.gni")
 import("//ios/build/chrome_build.gni")
 import("//ios/public/provider/chrome/browser/build_config.gni")
 
@@ skipping 307 matching lines @@
       "//ios/chrome/share_extension",
     ]
     sources = [
       "$root_out_dir/share_extension.appex",
     ]
     outputs = [
       "{{bundle_plugins_dir}}/{{source_file_part}}",
     ]
   }
 }
-
-# Clean Skeleton targets.
-ios_app_bundle("chrome_clean_skeleton") {
-  output_name = "CSChromium"
-
-  entitlements_path = "//ios/chrome/app/resources/Chrome.entitlements"
-  info_plist_target = ":info_plist"
-
-  deps = [
-    ":main_clean_skeleton",
-    ":tests_fake_hook",
-  ]
-
-  bundle_deps = [ "//ios/chrome/app/resources" ]
-
-  extra_substitutions = [
-    "CHROMIUM_BUNDLE_ID=$chromium_bundle_id",
-    "CHROMIUM_SHORT_NAME=$chromium_short_name",
-    "CHROMIUM_URL_SCHEME_1=$url_unsecure_scheme",
-    "CHROMIUM_URL_SCHEME_2=$url_secure_scheme",
-    "CHROMIUM_URL_SCHEME_3=$url_x_callback_scheme",
-    "CHROMIUM_URL_SCHEME_4=$url_channel_scheme",
-  ]
-
-  if (ios_encryption_export_compliance_code != "") {
-    extra_substitutions += [ "ENCRYPTION_EXPORT_COMPLIANCE_CODE=" +
-                             ios_encryption_export_compliance_code ]
-  }
-}
-
-source_set("main_clean_skeleton") {
-  sources = [
-    "main.mm",
-  ]
-
-  deps = [
-    ":app_clean_skeleton",
-    ":app_internal",
-    "//base",
-    "//components/crash/core/common",
-    "//ios/chrome/app/startup",
-    "//ios/chrome/browser",
-    "//ios/chrome/browser:browser_internal",
-    "//ios/chrome/browser/crash_report",
-    "//ios/chrome/common",
-    "//third_party/google_toolbox_for_mac",
-  ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
-}
-
-source_set("application_state_clean_skeleton") {
-  sources = [
-    "application_phase.h",
-    "application_state.h",
-    "application_state.mm",
-    "application_step.h",
-  ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
-
-  deps = [
-    "//base",
-    "//ios/chrome/browser:browser_clean_skeleton",
-  ]
-}
-
-source_set("app_clean_skeleton") {
-  sources = [
-    "app_delegate.h",
-    "app_delegate.mm",
-  ]
-
-  configs += [ "//build/config/compiler:enable_arc" ]
-
-  deps = [
-    ":application_state_clean_skeleton",
-    "//ios/chrome/app/steps",
-  ]
-}