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Added missing README files and updated some existing ones

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Will Bamberg
2016-02-19 13:19:10 -08:00
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user-agent-rewriter/README.md
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# user-agent-rewriter
## What it does
This extension uses the webRequest API to rewrite the browser's User Agent header, but only when visiting pages under "http://useragentstring.com/".
It adds a browser action. The browser action has a popup that lets the user choose one of three browsers: Firefox 41, Chrome 41, and IE 11. When the user chooses a browser, the extension then rewrites the User Agent header so the real browser identifies itself as the chosen browser on the site http://useragentstring.com/.
## What it shows
* how to intercept and modify HTTP requests
* how to write a browser action with a popup
* how to give the popup style and behavior using CSS and JS
* how to send a message from a popup script to a background script