Sync the DOMStringMap interface with the spec

Sync the DOMStringMap interface with the spec

https://html.spec.whatwg.org/#the-domstringmap-interface

The spec IDL has [Exposed=(Window,Worker)], but that seems wrong:
https://www.w3.org/Bugs/Public/show_bug.cgi?id=28104

The creator keyword was not added:
https://www.w3.org/Bugs/Public/show_bug.cgi?id=28121

There are no changes to the generated code.

BUG=460722, 462920
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=191064

[philipj_slow, 2015-03-01 04:44:03]

philipj@opera.com changed reviewers:
+ jl@opera.com

[philipj_slow, 2015-03-01 04:44:03]

PTAL

[Jens Widell, 2015-03-01 15:40:44]

LGTM, but I think we should drop "creator" (and report a spec bug about it.)

https://codereview.chromium.org/972493002/diff/1/Source/core/dom/DOMStringMap...
File Source/core/dom/DOMStringMap.idl (right):

https://codereview.chromium.org/972493002/diff/1/Source/core/dom/DOMStringMap...
Source/core/dom/DOMStringMap.idl:34: [RaisesException] setter creator void
(DOMString name, DOMString value);
The concept of creators (which I've never heard of before) has been removed from
Web IDL (according to its "Changes" section.)

Furthermore, our IDL parser's grammar doesn't support it. To be honest, I don't
know why this even parses.

[philipj_slow, 2015-03-01 16:41:15]

https://codereview.chromium.org/972493002/diff/1/Source/core/dom/DOMStringMap...
File Source/core/dom/DOMStringMap.idl (right):

https://codereview.chromium.org/972493002/diff/1/Source/core/dom/DOMStringMap...
Source/core/dom/DOMStringMap.idl:34: [RaisesException] setter creator void
(DOMString name, DOMString value);
On 2015/03/01 15:40:43, Jens Widell wrote:
> The concept of creators (which I've never heard of before) has been removed
from
> Web IDL (according to its "Changes" section.)
> 
> Furthermore, our IDL parser's grammar doesn't support it. To be honest, I
don't
> know why this even parses.

Spec bug filed: https://www.w3.org/Bugs/Public/show_bug.cgi?id=28121

Since the likely resolution is for the keyword to be removed, I'll just not add
it and link to the spec bug in the commit message instead.

[philipj_slow, 2015-03-01 16:44:33]

drop creator keyword

[philipj_slow, 2015-03-01 16:44:49]

The CQ bit was checked by philipj@opera.com

[philipj_slow, 2015-03-01 16:44:50]

The patchset sent to the CQ was uploaded after l-g-t-m from jl@opera.com
Link to the patchset: https://codereview.chromium.org/972493002/#ps20001 (title:
"drop creator keyword")

[commit-bot: I haz the power, 2015-03-01 16:45:00]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/972493002/20001

[commit-bot: I haz the power, 2015-03-01 17:52:58]

Committed patchset #2 (id:20001) as
https://src.chromium.org/viewvc/blink?view=rev&revision=191064