Prevent future app banners when app is added to the homescreen via menu

chrome/browser/android/shortcut_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_ANDROID_SHORTCUT_HELPER_H_
 #define CHROME_BROWSER_ANDROID_SHORTCUT_HELPER_H_
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_weak_ref.h"
 #include "base/basictypes.h"
@@ skipping 89 matching lines @@
   enum ManifestIconStatus {
     MANIFEST_ICON_STATUS_NONE,
     MANIFEST_ICON_STATUS_FETCHING,
     MANIFEST_ICON_STATUS_DONE
   };
 
   ~ShortcutHelper() override;
 
   void Destroy();
 
+  void RecordAddToHomescreen();
+
   JavaObjectWeakGlobalRef java_ref_;
 
   ShortcutInfo shortcut_info_;
   SkBitmap manifest_icon_;
   base::CancelableTaskTracker cancelable_task_tracker_;
 
   bool add_shortcut_requested_;
 
   ManifestIconStatus manifest_icon_status_;
   const int preferred_icon_size_in_px_;
   static const int kPreferredIconSizeInDp;
 
   base::WeakPtrFactory<ShortcutHelper> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ShortcutHelper);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_SHORTCUT_HELPER_H_