Patent attributes
Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, support a browser privacy mode in a plugin of the browser. In one aspect, a method includes applying a private browsing mode of a browser in a plugin program of the browser, the applying including: obtaining, in a process, an indication of the private browsing mode of the browser; specifying, in response to the indication, that an instance of the plugin program initiated within the process is set to run in a private data mode that cannot be exited; receiving, in the instance of the plugin program initiated within the process and set to run in the private data mode, information that results in locally cached data; and saving, in response to the receiving, the locally cached data entirely in volatile memory without saving to persistent storage.