How to click the Chrome Mic button from Javascript in Delphi 6 app, or at least find the button and get its Windows screen coordinates?

I have a Delphi 6 app that embeds the Chromium web browser. I want to click the Chrome microphone button (speech input control) from Javascript. I tried the usual method of calling the button's click() handler, but nothing happened. Below is the HTML I tried with the first input element being the Chrome speech input control and the second input element being a checkbox that when checked, finds the speech input control and calls its click() handler: ``` <input name="speechInput1" id="speechInput1" size=64 type="text" x-webkit-speech /> <input type="checkbox" onClick="document.getElementById('speechInput1').click();">Check the box to simulate a button click ``` Is there a way to click the speech input controls microphone button from Javascript? I found another post on Stack Overflow similar to my question but there were no solutions: Automate speech input recording in Chrome If not, is there a way to determine from my Delphi 6 app the location of the button in Windows screen coordinates so I can move the mouse over it and click it? I know about AutoIt from this Stack Overflow post: Send click to google's chrome input html tag But I want to handle the mouse click myself instead of asking my users to download and set up AutoIt. I also want to ask if anybody knows if it is possible to call the services made available to Chrome extensions via Javascript. If that were possible, I could call the startSpeechInput() method the speech input control exposes to extensions.