[NTP4] NTP experiment for adding Chrome Web Store link to footer.
[NTP4] NTP experiment for adding Chrome Web Store link to footer.

Add the chromium version of the 24x24 CWS icon required for this bug.

R=estade@chromium.org
BUG=106580
TEST=Image looks normal, is in right place.

Review URL: https://chromiumcodereview.appspot.com/9235048

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@119161 0039d316-1c4b-4281-b951-d872f2087c98

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