Issue 4580 - Removed ext.storage

ext/background.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 563 matching lines @@
         }
       };
     }
 
     return ext.onMessage._dispatch(
       message, sender, sendResponse
     ).includes(true);
   });
 
 
-  /* Storage */
-
-  ext.storage = {
-    get(keys, callback)
-    {
-      browser.storage.local.get(keys, callback);
-    },
-    set(key, value, callback)
-    {
-      let items = {};
-      items[key] = value;
-      browser.storage.local.set(items, callback);
-    },
-    remove(key, callback)
-    {
-      browser.storage.local.remove(key, callback);
-    },
-    onChanged: browser.storage.onChanged
-  };
-
   /* Windows */
   ext.windows = {
     create(createData, callback)
     {
       browser.windows.create(createData, createdWindow =>
       {
         afterTabLoaded(callback)(createdWindow.tabs[0]);
       });
     }
   };
 }