This is a mechanical change.

Allow component installers to specify a map of installer attributes to be used in the update check requests.

This change extends the mechanism to specify "ap" in such a way that a map of name-value pairs can be returned by the component installer which need this capability.

R=waffles
BUG=599703

Review-Url: https://codereview.chromium.org/2102083002
Cr-Commit-Position: refs/heads/master@{#402632}
24 files changed