Add a tiny helper script to shutdown the chrome frame helper process.
Add a tiny helper script to shutdown the chrome frame helper process.

BUG=53127
TEST=Run script, chrome_frame_helper.exe is shut down.


Review URL: http://codereview.chromium.org/3312010

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@58587 0039d316-1c4b-4281-b951-d872f2087c98

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