Fall back to shortcut A2HS when Phonesky is out of date or unavailable.

chrome/browser/android/banners/app_banner_infobar_delegate_android.cc

 // 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.
 
 #include "chrome/browser/android/banners/app_banner_infobar_delegate_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/guid.h"
 #include "base/location.h"
@@ skipping 36 matching lines @@
 
 // static
 bool AppBannerInfoBarDelegateAndroid::Create(
     content::WebContents* web_contents,
     base::WeakPtr<AppBannerManager> weak_manager,
     const base::string16& app_title,
     std::unique_ptr<ShortcutInfo> shortcut_info,
     std::unique_ptr<SkBitmap> icon,
     int event_request_id,
     webapk::InstallSource webapk_install_source) {
-  bool is_webapk = ChromeWebApkHost::AreWebApkEnabled();
+  bool is_webapk = ChromeWebApkHost::CanInstallWebApk();
   std::string webapk_package_name = "";
   const GURL& url = shortcut_info->url;
   if (is_webapk)
     webapk_package_name = ShortcutHelper::QueryWebApkPackage(url);
   bool is_webapk_already_installed = !webapk_package_name.empty();
   auto infobar_delegate =
       base::WrapUnique(new banners::AppBannerInfoBarDelegateAndroid(
           weak_manager, app_title, std::move(shortcut_info), std::move(icon),
           event_request_id, is_webapk, is_webapk_already_installed,
           webapk_install_source));
@@ skipping 401 matching lines @@
 
   TrackDismissEvent(DISMISS_EVENT_BANNER_CLICK);
   return true;
 }
 
 bool RegisterAppBannerInfoBarDelegateAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace banners