Roll grit to r56 and revert "[NTP4] Fix pane switcher images while we figure out the difference between <structure type="chrome_html">s and <include type="BINDATA">s.  This is partial revert of r145332."

BUG=136389
TEST=Card change arrows on NTP exist.


Review URL: https://chromiumcodereview.appspot.com/10702171

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@146419 0039d316-1c4b-4281-b951-d872f2087c98
2 files changed