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This searches for shortcuts in the usual locations containing the app's old
name, deletes them, and creates new shortcuts in the places where there were
pre-existing shortcuts.

BUG=153981

Review URL: https://chromiumcodereview.appspot.com/14993013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@202712 0039d316-1c4b-4281-b951-d872f2087c98