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*) Set autoExpands=true for UserImagesGrid so that added items are actually created (regression after ).
*) Typo fix for old UI, which prevented it from working.

TBR=ygorshenin1
BUG=None
TEST=Manual: chrome://chrome/settings/changePicture should display the image grid properly

Review URL: https://chromiumcodereview.appspot.com/10829428

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@152334 0039d316-1c4b-4281-b951-d872f2087c98