Fix failure to write latest_rev updates to database.

Fixes problem of occasional severely out-of-date consoles, when an app instance without an up-to-date memcache fell back to the datastore for fetching latest_rev.

TBR=hinoka
BUG=https://code.google.com/p/chromium/issues/detail?id=170494

Review URL: https://chromiumcodereview.appspot.com/11970045

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/chromium-build@178091 0039d316-1c4b-4281-b951-d872f2087c98
1 file changed