An API returning a Promise should not throw an exceptions [overload version]

An API returning a Promise should not throw an exceptions [overload version]

[1] made such APIs return rejected Promises instead of throwing exceptions,
but overloaded functions were not covered. This CL fixes the problem.

1: https://src.chromium.org/viewvc/blink?view=rev&revision=171450

BUG=359586
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=184291

[yhirano, 2014-10-23 08:00:57]

yhirano@chromium.org changed reviewers:
+ haraken@chromium.org, jl@opera.com

[haraken, 2014-10-23 08:28:00]

LGTM

[Jens Widell, 2014-10-23 08:34:37]

LGTM

[yhirano, 2014-10-23 09:01:17]

The CQ bit was checked by yhirano@chromium.org

[commit-bot: I haz the power, 2014-10-23 09:02:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/675693002/40001

[commit-bot: I haz the power, 2014-10-23 09:15:38]

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

[commit-bot: I haz the power, 2014-10-23 09:15:39]

Try jobs failed on following builders:
  android_chromium_gn_compile_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/android_chromium_gn_comp...)

[yhirano1, 2014-10-23 09:18:55]

The CQ bit was checked by yhirano@google.com

[commit-bot: I haz the power, 2014-10-23 09:19:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/675693002/40001

[yhirano, 2014-10-23 09:19:27]

yhirano@chromium.org changed reviewers:
- yhirano@google.com

[yhirano, 2014-10-23 11:56:59]

yhirano@chromium.org changed reviewers:
+ jsbell@chromium.org

[yhirano, 2014-10-23 11:57:00]

It seems a recently added test (cache-add.html) is affected: jsbell@, can you
take a look at my fix for the test?

[jsbell, 2014-10-23 16:59:42]

On 2014/10/23 11:57:00, yhirano wrote:
> It seems a recently added test (cache-add.html) is affected: jsbell@, can you
> take a look at my fix for the test?

lgtm !

[jsbell, 2014-10-23 17:01:25]

The CQ bit was checked by jsbell@chromium.org

[commit-bot: I haz the power, 2014-10-23 17:01:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/675693002/60001

[commit-bot: I haz the power, 2014-10-23 17:52:28]

Committed patchset #4 (id:60001) as 184291