symfony/symfony — pull request #7990 by alexpods (2013-05-09 16:00:39+00:00)
Title: [HttpFoundation][File][UploadedFile] Fix guessClientExtension() method

1) Change getMimeType() by getClientMimeType() (we are guessing extension base on client information after all)
2) Add use of missing namespace (ExtensionGuesser)
3) Add tests for getClientExtension() method