Simulate Android's Webview On Pc's Firefox?

As part of my software development job (for Android), I need to inspect the content of numerous HTML pages when viewed via Android's WebView. So far, I have been able to accomplish

Solution 1:

1) Use the user agent switcher.

2) Get the mobile profile addon.

3) Resize the window to emulate screen size changes. A quick Google search finds an addon that can handle preset window resizing: https://addons.mozilla.org/en-US/firefox/addon/window-resizer/ (If this won't do, look around the addon site- there are multiple that can do this).