Make WebAPK naming consistent 1/2

chrome/browser/android/webapps/add_to_homescreen_data_fetcher.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/webapps/add_to_homescreen_data_fetcher.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/strings/string16.h"
@@ skipping 145 matching lines @@
     return false;
   if (!IsManifestValidForWebApp(web_contents, manifest))
     return false;
   return true;
 }
 
 void AddToHomescreenDataFetcher::OnDidCheckHasServiceWorker(
     const std::vector<content::Manifest::Icon>& icons,
     bool has_service_worker) {
   if (has_service_worker)
-    shortcut_info_.is_web_apk = true;
+    shortcut_info_.is_webapk = true;
   DownloadIcons(icons);
 }
 
 void AddToHomescreenDataFetcher::DownloadIcons(
     const std::vector<content::Manifest::Icon>& icons) {
   GURL icon_src = ManifestIconSelector::FindBestMatchingIcon(
       icons, ideal_icon_size_in_dp_, minimum_icon_size_in_dp_);
 
   // If fetching the Manifest icon fails, fallback to the best favicon
   // for the page.
@@ skipping 148 matching lines @@
       dom_distiller::url_utils::GetOriginalUrlFromDistillerUrl(actual_url);
 
   // If URL points to an offline content, get original URL.
   GURL online_url = offline_pages::OfflinePageUtils::GetOnlineURLForOfflineURL(
       web_contents()->GetBrowserContext(), original_url);
   if (online_url.is_valid())
     return online_url;
 
   return original_url;
 }