Allow add to homescreen and app banner strings to be changed via variations.

chrome/android/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("//android_webview/webview_repack_locales_list.gni")
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//build/util/process_version.gni")
 import("//build_overrides/v8.gni")
 import("//chrome/android/chrome_public_apk_tmpl.gni")
@@ skipping 261 matching lines @@
   ]
 }
 
 java_cpp_enum("chrome_android_java_enums_srcjar") {
   sources = [
     "//chrome/browser/android/activity_type_ids.h",
     "//chrome/browser/android/feedback/connectivity_checker.cc",
     "//chrome/browser/android/policy/policy_auditor.cc",
     "//chrome/browser/android/shortcut_info.h",
     "//chrome/browser/android/tab_android.h",
+    "//chrome/browser/banners/app_banner_settings_helper.h",
     "//chrome/browser/notifications/notification_platform_bridge_android.cc",
     "//chrome/browser/profiles/profile_metrics.h",
     "//chrome/browser/ui/android/infobars/infobar_android.h",
   ]
 }
 
 proto_java_library("document_tab_model_info_proto_java") {
   proto_path = "java/src/org/chromium/chrome/browser/tabmodel/document"
   sources = [
     "$proto_path/document_tab_model_info.proto",
@@ skipping 456 matching lines @@
 instrumentation_test_apk("chrome_sync_shell_test_apk") {
   apk_name = "ChromeSyncShellTest"
   apk_under_test = ":chrome_sync_shell_apk"
   android_manifest = chrome_sync_shell_test_apk_manifest
   android_manifest_dep = ":chrome_sync_shell_test_apk_manifest"
   deps = [
     ":chrome_sync_shell_test_apk_java",
   ]
   proguard_enabled = !is_java_debug
 }