[mojo-edk] Demote DVLOGs in MessagePipeDispatcher to level 2.

[mojo-edk] Demote DVLOGs in MessagePipeDispatcher to level 2.

When using ChannelMojo with GPU, the amount of log spam at --v=1
overwhelms the log and causes the browser to become completely unresponsive.

BUG=604282
Committed: https://crrev.com/e1cf658832f26890f860d09cbc242c66cbb6d04d
Cr-Commit-Position: refs/heads/master@{#403728}

[Anand Mistry (off Chromium), 2016-07-01 00:54:01]

amistry@chromium.org changed reviewers:
+ rockot@chromium.org

[Ken Rockot(use gerrit already), 2016-07-04 22:08:00]

lgtm

[Anand Mistry (off Chromium), 2016-07-04 23:01:14]

The CQ bit was checked by amistry@chromium.org

[commit-bot: I haz the power, 2016-07-04 23:01:19]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-05 00:09:05]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-05 00:09:07]

CQ bit was unchecked.

[commit-bot: I haz the power, 2016-07-05 00:11:41]

Description was changed from

==========
[mojo-edk] Demote DVLOGs in MessagePipeDispatcher to level 2.

When using ChannelMojo with GPU, the amount of log spam at --v=1
overwhelms the log and causes the browser to become completely unresponsive.

BUG=604282
==========

to

==========
[mojo-edk] Demote DVLOGs in MessagePipeDispatcher to level 2.

When using ChannelMojo with GPU, the amount of log spam at --v=1
overwhelms the log and causes the browser to become completely unresponsive.

BUG=604282

Committed: https://crrev.com/e1cf658832f26890f860d09cbc242c66cbb6d04d
Cr-Commit-Position: refs/heads/master@{#403728}
==========

[commit-bot: I haz the power, 2016-07-05 00:11:43]

Patchset 1 (id:??) landed as
https://crrev.com/e1cf658832f26890f860d09cbc242c66cbb6d04d
Cr-Commit-Position: refs/heads/master@{#403728}