下载地址：http://code.google.com/p/chromeswitchproxy/

截图：

On Windows, Chrome‘s HTTP proxy setting uses the default system proxy. To enable a proxy, the user needs to take at least 6 clicks (Tool menu/Options/Under the hood/Change Proxy Settings/Lan Settings/Use a proxy…).

This extension provides a toolstrip interface in Chrome’s status bar to turn on or off the system HTTP proxy with a single click.

The extension uses a mini NPAPI plugin for Windows to change the system HTTP settings.

For Windows only。