Add use counter for ineligible Subresource Integrity use

Add use counter for ineligible Subresource Integrtiy use

This adds a counter to track how often an integrity attribute is used on
a valid HTML tag, but for a resource load that is ineligible. Ineligible
resources are those that are cross origin, but done without CORS. These
loads are allowed, but not SRI check is done, and a console message is
logged.

R=mkwst@chromium.org
BUG=355467
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=197184

[Mike West, 2015-06-16 06:52:56]

On 2015/06/15 at 19:51:55, jww wrote:
> 

LGTM % s/Integrtiy/Integrity/ in the title of the CL's description. :)

[jww, 2015-06-16 16:48:03]

The CQ bit was checked by jww@chromium.org

[commit-bot: I haz the power, 2015-06-16 16:48:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1184183003/1

[commit-bot: I haz the power, 2015-06-16 16:51:21]

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

[commit-bot: I haz the power, 2015-06-16 16:51:22]

Try jobs failed on following builders:
  mac_blink_rel on tryserver.blink (JOB_FAILED,
http://build.chromium.org/p/tryserver.blink/builders/mac_blink_rel/builds/59099)

[jww, 2015-06-16 16:54:01]

The CQ bit was checked by jww@chromium.org

[jww, 2015-06-16 16:54:02]

The patchset sent to the CQ was uploaded after l-g-t-m from mkwst@chromium.org
Link to the patchset: https://codereview.chromium.org/1184183003/#ps20001
(title: "Rebase on ToT")

[commit-bot: I haz the power, 2015-06-16 16:54:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1184183003/20001

[commit-bot: I haz the power, 2015-06-16 17:56:31]

Committed patchset #2 (id:20001) as
https://src.chromium.org/viewvc/blink?view=rev&revision=197184

[Mike West, 2015-06-16 18:07:16]

On 2015/06/16 at 06:52:56, Mike West wrote:
> On 2015/06/15 at 19:51:55, jww wrote:
> > 
> 
> LGTM % s/Integrtiy/Integrity/ in the title of the CL's description. :)

It doesn't look like you fixed this before landing. :(

[Mike West, 2015-06-16 18:07:46]

On 2015/06/16 at 18:07:16, Mike West wrote:
> On 2015/06/16 at 06:52:56, Mike West wrote:
> > On 2015/06/15 at 19:51:55, jww wrote:
> > > 
> > 
> > LGTM % s/Integrtiy/Integrity/ in the title of the CL's description. :)
> 
> It doesn't look like you fixed this before landing. :(

Oh, I see. You fixed the review's title, but not the text in the description.
That's a confusing interface. :/

[jww, 2015-06-16 18:09:08]

On 2015/06/16 18:07:46, Mike West wrote:
> On 2015/06/16 at 18:07:16, Mike West wrote:
> > On 2015/06/16 at 06:52:56, Mike West wrote:
> > > On 2015/06/15 at 19:51:55, jww wrote:
> > > > 
> > > 
> > > LGTM % s/Integrtiy/Integrity/ in the title of the CL's description. :)
> > 
> > It doesn't look like you fixed this before landing. :(
> 
> Oh, I see. You fixed the review's title, but not the text in the description.
> That's a confusing interface. :/

Oh my! You're completely correct; my bad. That is terrible :-(