Chrome Extension: Automatically download a screenshot taken with 'chrome.tabs.captureVisibleTab'Yes, as you said you can use Message Passing to get it done. By content scripts to detect the switch on particular pages, then chat with the background page in order to capture screenshot for that page. Your content script should send a message using chrome.runtime.sendMessage, and the background page should listen using chrome.runtime.onMessage.addListener: Sample codes I created and tested it wo
