Windowed Fullscreen for Videos

Adds a windowed fullscreen button to all videos.

Works with most websites that include videos through the HTML5 <video> tag, including videos that are embedded through iframes. Limitations and known issues: - May break websites that are coded in exceptionally weird ways (which are more than you think). Disable the extension and reload the page if you have problems with videos not being displayed properly. - Since video controls are not standardized, when entering windowed fullscreen for a video, most often the site's video controls will be removed and replaced with the browser's default video controls, which may or may not work properly. - On some websites the video will reset to the start when entering or leaving windowed fullscreen mode. You may report websites that are not compatible with this extension, but chances are that it is impossible for me to fix the problem. Please blame the website and not the extension :-)