1.1.1 Don't listen for message when not active (background.js)
1.1.0 Missing content_script.js
1.0.9 Source available on github
1.0.8 Give the page 200ms to relayout itself before measuring width.
1.0.7 content_script.js was injected multiple times.
谷歌浏览器、其他Chromium内核的浏览器