Issue 5028 - Use browser namespace

lib/icon.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 50 matching lines @@
                                  notificationType + ".png");
     }
     else
     {
       page.browserAction.setIcon("/icons/abp-$size" +
                                  (whitelisted ? "-whitelisted" : "") + ".png");
     }
   }
   else
   {
-    chrome.browserAction.setIcon({
+    browser.browserAction.setIcon({
       tabId: page.id,
       imageData: frames["" + opacity + whitelisted]
     });
   }
 }
 
 FilterNotifier.on("page.WhitelistingStateRevalidate", (page, filter) =>
 {
   whitelistedState.set(page, !!filter);
   if (canUpdateIcon)
@@ skipping 55 matching lines @@
         frames["" + opacity + whitelisted] = imageData;
       }
     }
 
     return frames;
   });
 }
 
 function animateIcon(notificationType, frames)
 {
-  chrome.tabs.query({active: true}, tabs =>
+  browser.tabs.query({active: true}, tabs =>
   {
     let pages = tabs.map(tab => new ext.Page(tab));
 
     let animationStep = 0;
     let opacity = 0;
 
     let onActivated = page =>
     {
       pages.push(page);
       setIcon(page, notificationType, opacity, frames);
@@ skipping 72 matching lines @@
           clearInterval(interval);
           resolve();
           return;
         }
 
         animateIcon(type, frames);
       }, 10000);
     });
   });
 };