When Chrome is restarted after a crash, it needs to determine whether the user is logged in as ephemeral. This can be done by checking whether the user is found on the persistent list in local store.
When Chrome is restarted after a crash, it needs to determine whether the user is logged in as ephemeral. This can be done by checking whether the user is found on the persistent list in local store.

BUG=127230
TEST=Log in as ephemeral, turn off ephemeral users, induce a crash:
TEST=Chrome now correctly determines that the user is still ephemeral

Review URL: https://chromiumcodereview.appspot.com/10382086

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@137111 0039d316-1c4b-4281-b951-d872f2087c98

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