Setup Page Action on Certain URLS

background.js

chrome.runtime.onInstalled.addListener(function() {
	chrome.declarativeContent.onPageChanged.removeRules(undefined, function() {
		chrome.declarativeContent.onPageChanged.addRules([
			{
        conditions: [
          new chrome.declarativeContent.PageStateMatcher({
            pageUrl: { urlContains: 'slides.com' },
          })
        ],
				actions: [ 
					new chrome.declarativeContent.ShowPageAction()
				]
			}
		]);
	});
});