Add use counters for Secure Context checks and sandboxed origins.

Add use counters for Secure Context checks and sandboxed origins.

At https://github.com/w3c/webappsec-secure-contexts/issues/28, we're
discussing whether or not we can tighten the notion of "secure context"
to exclude sandboxed documents by default. This patch adds counters
to determine how marginal the breakage would be.

BUG=534788
TBR=isherman@chromium.org

Committed: https://crrev.com/ea6225bf8fb44062eabe9e9c99527408053180dd
Cr-Commit-Position: refs/heads/master@{#405973}

[Mike West, 2016-07-18 08:23:57]

The CQ bit was checked by mkwst@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-18 08:24:02]

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

[Mike West, 2016-07-18 08:41:29]

mkwst@chromium.org changed reviewers:
+ jochen@chromium.org

[Mike West, 2016-07-18 08:41:29]

Jochen, mind taking a look?

[jochen (gone - plz use gerrit), 2016-07-18 08:45:49]

lgtm

[Mike West, 2016-07-18 09:17:34]

Description was changed from

==========
Add use counters for Secure Context checks and sandboxed origins.

At https://github.com/w3c/webappsec-secure-contexts/issues/28, we're
discussing whether or not we can tighten the notion of "secure context"
to exclude sandboxed documents by default. This patch adds counters
to determine how marginal the breakage would be.

BUG=534788
==========

to

==========
Add use counters for Secure Context checks and sandboxed origins.

At https://github.com/w3c/webappsec-secure-contexts/issues/28, we're
discussing whether or not we can tighten the notion of "secure context"
to exclude sandboxed documents by default. This patch adds counters
to determine how marginal the breakage would be.

BUG=534788
TBR=isherman@chromium.org
==========

[Mike West, 2016-07-18 09:17:34]

mkwst@chromium.org changed reviewers:
+ isherman@chromium.org

[Mike West, 2016-07-18 09:17:53]

The CQ bit was checked by mkwst@chromium.org

[Mike West, 2016-07-18 09:17:53]

TBRing Ilya for the mechanical change to `histograms.xml`. Hi, Ilya!

[commit-bot: I haz the power, 2016-07-18 09:18:08]

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, 2016-07-18 10:44:14]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-07-18 10:46:22]

Description was changed from

==========
Add use counters for Secure Context checks and sandboxed origins.

At https://github.com/w3c/webappsec-secure-contexts/issues/28, we're
discussing whether or not we can tighten the notion of "secure context"
to exclude sandboxed documents by default. This patch adds counters
to determine how marginal the breakage would be.

BUG=534788
TBR=isherman@chromium.org
==========

to

==========
Add use counters for Secure Context checks and sandboxed origins.

At https://github.com/w3c/webappsec-secure-contexts/issues/28, we're
discussing whether or not we can tighten the notion of "secure context"
to exclude sandboxed documents by default. This patch adds counters
to determine how marginal the breakage would be.

BUG=534788
TBR=isherman@chromium.org

Committed: https://crrev.com/ea6225bf8fb44062eabe9e9c99527408053180dd
Cr-Commit-Position: refs/heads/master@{#405973}
==========

[commit-bot: I haz the power, 2016-07-18 10:46:24]

Patchset 2 (id:??) landed as
https://crrev.com/ea6225bf8fb44062eabe9e9c99527408053180dd
Cr-Commit-Position: refs/heads/master@{#405973}

[Ilya Sherman, 2016-07-18 22:54:49]

histograms.xml lgtm