Add download pings for: .rels, .msg, .eml. Add UMA for .rtf.

Add download pings for: .rels, .msg, .eml.  Add UMA for .rtf.

BUG=575275
Committed: https://crrev.com/262ab529ea86ea47c8e4f34dc37a4cca7fbae028
Cr-Commit-Position: refs/heads/master@{#368800}

[Nathan Parker, 2016-01-09 01:05:01]

nparker@chromium.org changed reviewers:
+ asanka@chromium.org

[Nathan Parker, 2016-01-09 01:05:02]

Asanka --
When I add these to download_extensions.cc, what settings would keep their
behaviour unchanged?  Thanks.

[asanka, 2016-01-09 03:48:43]

On 2016/01/09 01:05:02, nparker wrote:
> Asanka --
> When I add these to download_extensions.cc, what settings would keep their
> behaviour unchanged?  Thanks.

You can add them with a danger type of NOT_DANGEROUS and ALLOW_AUTO_OPEN. We've
done this already for a handful of file types where we are only monitoring
usage.

[Nathan Parker, 2016-01-11 22:22:14]

nparker@chromium.org changed reviewers:
+ asvitkine@chromium.org

[Nathan Parker, 2016-01-11 22:22:14]

Thanks, Asanka.  PTAL.

asvitkine: Please review small change to histograms.xml.

[Alexei Svitkine (slow), 2016-01-11 22:23:56]

lgtm

[asanka, 2016-01-11 22:53:30]

lgtm

[Nathan Parker, 2016-01-11 22:56:13]

The CQ bit was checked by nparker@chromium.org

[commit-bot: I haz the power, 2016-01-11 22:59:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1577533002/60001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1577533002/60001

[commit-bot: I haz the power, 2016-01-11 23:48:46]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-01-11 23:48:46]

Try jobs failed on following builders:
  linux_chromium_rel_ng on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)
  mac_chromium_rel_ng on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[Nathan Parker, 2016-01-12 04:16:55]

The CQ bit was checked by nparker@chromium.org

[commit-bot: I haz the power, 2016-01-12 04:18:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1577533002/60001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1577533002/60001

[commit-bot: I haz the power, 2016-01-12 05:02:24]

Committed patchset #4 (id:60001)

[commit-bot: I haz the power, 2016-01-12 05:03:27]

Description was changed from

==========
Add download pings for: .rels, .msg, .eml.  Add UMA for .rtf.

BUG=575275
==========

to

==========
Add download pings for: .rels, .msg, .eml.  Add UMA for .rtf.

BUG=575275

Committed: https://crrev.com/262ab529ea86ea47c8e4f34dc37a4cca7fbae028
Cr-Commit-Position: refs/heads/master@{#368800}
==========

[commit-bot: I haz the power, 2016-01-12 05:03:28]

Patchset 4 (id:??) landed as
https://crrev.com/262ab529ea86ea47c8e4f34dc37a4cca7fbae028
Cr-Commit-Position: refs/heads/master@{#368800}