chrome.browserAction | Reference | Chrome for Developers

{ "name": "My extension", ... "browser_action": { ... "default_icon": "images/icon32.png" // optional // equivalent to "default_icon": { "32": "images/icon32.png" } }, ... } Parts of the UI A browser action can have an icon, a tooltip, a badge, and a popup. Icon The browser action icons in Chrome are 16 dips (device-independent pixels) wide and high. Larger icons are resized to fit, but for best r

[noonworks]

“You can set the icon in two ways: using a static image or using the HTML5 canvas element.”

[tacshiss]

拡張機能を再読み込みで更新するとBrowser Actionsの権限でエラーが出る仕様を直して欲しい；；