Record add to homescreen events with URL from the owning web contents.

chrome/browser/android/shortcut_helper.cc

 // Copyright 2013 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/shortcut_helper.h"
 
 #include <jni.h>
 #include <limits>
 
 #include "base/android/jni_android.h"
@@ skipping 331 matching lines @@
       b_value,
       info.display == content::Manifest::DISPLAY_MODE_STANDALONE,
       info.orientation,
       return_to_homescreen);
 }
 
 void ShortcutHelper::RecordAddToHomescreen() {
   // Record that the shortcut has been added, so no banners will be shown
   // for this app.
   AppBannerSettingsHelper::RecordBannerEvent(
-      web_contents(), shortcut_info_.url, shortcut_info_.url.spec(),
+      web_contents(), web_contents()->GetURL(), shortcut_info_.url.spec(),
       AppBannerSettingsHelper::APP_BANNER_EVENT_DID_ADD_TO_HOMESCREEN,
       base::Time::Now());
 }