Fall back to shortcut A2HS when Phonesky is out of date or unavailable.

chrome/browser/android/webapps/add_to_homescreen_data_fetcher.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_WEBAPPS_ADD_TO_HOMESCREEN_DATA_FETCHER_H_
 #define CHROME_BROWSER_ANDROID_WEBAPPS_ADD_TO_HOMESCREEN_DATA_FETCHER_H_
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 58 matching lines @@
   // Initialize the fetcher by requesting the information about the page from
   // the renderer process. The initialization is asynchronous and
   // OnDidGetWebApplicationInfo is expected to be called when finished.
   AddToHomescreenDataFetcher(content::WebContents* web_contents,
                              int ideal_icon_size_in_px,
                              int minimum_icon_size_in_px,
                              int ideal_splash_image_size_in_px,
                              int minimum_splash_image_size_in_px,
                              int badge_size_in_px,
                              bool check_webapk_compatible,
+                             bool can_use_webapk_install_flow,
                              Observer* observer);
 
   // Returns a callback which fetches the splash screen image to be stored for
   // the webapp with the specified |id|.
   base::Closure FetchSplashScreenImageCallback(const std::string& id);
 
   // IPC message received when the initialization is finished.
   void OnDidGetWebApplicationInfo(const WebApplicationInfo& web_app_info);
 
   // Accessors, etc.
@@ skipping 51 matching lines @@
   const int ideal_splash_image_size_in_px_;
   const int minimum_splash_image_size_in_px_;
   const int badge_size_in_px_;
 
   // Indicates whether to check WebAPK compatibility.
   bool check_webapk_compatibility_;
   bool is_waiting_for_web_application_info_;
   bool is_installable_check_complete_;
   bool is_icon_saved_;
   bool is_ready_;
+  bool can_use_webapk_install_flow_;
 
   DISALLOW_COPY_AND_ASSIGN(AddToHomescreenDataFetcher);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_WEBAPPS_ADD_TO_HOMESCREEN_DATA_FETCHER_H_