[Media Router] Wire through a new MRPM call to update media sinks.

[Media Router] Wire through a new MRPM call to update media sinks.

This will allow any discovery which is based off of sink queries (such as the Cloud MRP) an opportuntity to find new sinks even if the MRP is marked as UNVAILABLE.

BUG=601065
Review URL: https://codereview.chromium.org/1862913004

Cr-Commit-Position: refs/heads/master@{#387809}
(cherry picked from commit c2f9e3a5a7bf211b14c1be7ae8bfa65a518c2b85)

Committed: https://chromium.googlesource.com/chromium/src/+/45a9037b31ef97b64b94731fb61ba81057fb3e8a

[apacible, 2016-04-18 21:17:40]

Description was changed from

==========
[Media Router] Wire through a new MRPM call to update media sinks.

This will allow any discovery which is based off of sink queries (such as the
Cloud MRP) an opportuntity to find new sinks even if the MRP is marked as
UNVAILABLE.

BUG=601065

Review URL: https://codereview.chromium.org/1862913004

Cr-Commit-Position: refs/heads/master@{#387809}
(cherry picked from commit c2f9e3a5a7bf211b14c1be7ae8bfa65a518c2b85)
==========

to

==========
[Media Router] Wire through a new MRPM call to update media sinks.

This will allow any discovery which is based off of sink queries (such as the
Cloud MRP) an opportuntity to find new sinks even if the MRP is marked as
UNVAILABLE.

BUG=601065

Review URL: https://codereview.chromium.org/1862913004

Cr-Commit-Position: refs/heads/master@{#387809}
(cherry picked from commit c2f9e3a5a7bf211b14c1be7ae8bfa65a518c2b85)

Committed:
https://chromium.googlesource.com/chromium/src/+/45a9037b31ef97b64b94731fb61b...
==========

[apacible, 2016-04-18 21:17:41]

Committed patchset #1 (id:1) manually as
45a9037b31ef97b64b94731fb61ba81057fb3e8a.