Use UTS46 API to convert IDN in Unicode to punycode

Use UTS46 API to convert IDN in Unicode to punycode

When upgrading ICU to 52, I removed the stringprep data for IDNA 2003 because Chrome/Blink switched to UTS46/IDNA 2008. I overlooked that Blink email form handling still uses IDNA 2003 API that fails without stringprep data for IDNA 2003. 

This CL changes Blink to use UTS46 API. 

BUG=132145, 376587
TEST=LayoutTest: fast/forms/email-idn-conversion.html

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=175869

[jungshik at Google, 2014-06-07 07:55:03]

Can you take a look? Thanks

[Kunihiko Sakamoto, 2014-06-09 02:12:29]

lgtm

Thanks for doing this.

[jungshik at Google, 2014-06-09 05:17:50]

Thanks for a quick review. Adding to CQ

[jungshik at Google, 2014-06-09 05:17:54]

The CQ bit was checked by jshin@chromium.org

[jungshik at Google, 2014-06-09 05:17:57]

The CQ bit was unchecked by jshin@chromium.org

[jungshik at Google, 2014-06-09 05:18:38]

@abarth, can you approve the CL?

[jungshik at Google, 2014-06-09 05:19:39]

Ooops. forgot to add abarth to Reviewers list. 

@abarth, can you approve the CL?  Thanks

[abarth-chromium, 2014-06-09 17:27:47]

Test?

rslgtm

[jungshik at Google, 2014-06-09 19:27:22]

On 2014/06/09 17:27:47, abarth wrote:
> Test?

fast/forms/email-idn-conversion.html covers that, but perhaps  a unittest would
be nice to have. Filed http://crbug.com/382616

> rslgtm

Thanks.

[jungshik at Google, 2014-06-09 19:27:28]

The CQ bit was checked by jshin@chromium.org

[commit-bot: I haz the power, 2014-06-09 19:28:11]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/jshin@chromium.org/326453002/80001

[commit-bot: I haz the power, 2014-06-09 20:34:20]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  linux_blink_dbg on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/linux_blink_dbg/builds/1...)

[jungshik at Google, 2014-06-10 05:57:09]

The CQ bit was checked by jshin@chromium.org

[commit-bot: I haz the power, 2014-06-10 05:57:38]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/jshin@chromium.org/326453002/120001

[commit-bot: I haz the power, 2014-06-10 06:51:12]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/11379)

[commit-bot: I haz the power, 2014-06-10 07:30:13]

Change committed as 175869