Rename some AppRegistryCache::DoOnApps vars

This makes the first halves of the "Notify the observers" and the
"Update the states" for loops the same. This makes it clearer that they
iterate over the same things (twice).

BUG=826982

Change-Id: Ia156c0e92d3c8e8cf98e0a517beedd3fe0fedd94
Reviewed-on: https://chromium-review.googlesource.com/c/1401882
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Commit-Queue: Nigel Tao <nigeltao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#621389}
1 file changed