| Index: devtools.js | 
| =================================================================== | 
| --- a/devtools.js | 
| +++ b/devtools.js | 
| @@ -17,28 +17,28 @@ | 
|  | 
| "use strict"; | 
|  | 
| let panelWindow = null; | 
|  | 
| // Versions of Firefox before 54 do not support the devtools.panels API; on | 
| // these platforms, even when the option is enabled, we cannot show the | 
| // devtools panel. | 
| -if ("panels" in chrome.devtools) | 
| +if ("panels" in browser.devtools) | 
| { | 
| -  chrome.runtime.sendMessage( | 
| +  browser.runtime.sendMessage( | 
| { | 
| type: "prefs.get", | 
| key: "show_devtools_panel" | 
| }, | 
| enabled => | 
| { | 
| if (enabled) | 
| { | 
| -        chrome.devtools.panels.create( | 
| +        browser.devtools.panels.create( | 
| "Adblock Plus", | 
| "icons/detailed/abp-48.png", | 
| "devtools-panel.html", | 
| panel => | 
| { | 
| panel.onShown.addListener(window => | 
| { | 
| panelWindow = window; | 
|  |