{ "name" : "Page action by content", "version" : "1.1", "description" : "Shows a page action for HTML pages containing the word 'sandwich'", "background" : { "scripts": ["background.js"] }, "page_action" : { "default_icon" : "sandwich-19.png", "default_title" : "There's a 'sandwich' in this page!" }, "content_scripts" : [ { "matches" : [ "http://*/*", "https://*/*" ], "js" : ["contentscript.js"], "run_at" : "document_idle", "all_frames" : false } ], "icons" : { "48" : "sandwich-48.png", "128" : "sandwich-128.png" }, "manifest_version": 2 }