Oilpan: add [WillBeGarbageCollected] for Element.

Oilpan: add [WillBeGarbageCollected] for Element.

Annotate Element as being a heap allocated object
with Oilpan enabled, and generate binding layer code
which assumes so for Element and its derived interface
objects.

To accommodate this, bindings code generated for
a named constructor need to consult the "gc_type" of
its interface, and no longer not assume RefCounted.
Along similar lines, custom element processing can no
longer assume that the elements will be RefCounted-based
either.

R=haraken@chromium.org,tkent@chromium.org
BUG=357163
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=174537

[sof, 2014-05-21 16:19:20]

Please take a look.

[haraken, 2014-05-21 17:56:28]

LGTM

https://codereview.chromium.org/290333008/diff/1/Source/core/dom/Element.idl
File Source/core/dom/Element.idl (right):

https://codereview.chromium.org/290333008/diff/1/Source/core/dom/Element.idl#...
Source/core/dom/Element.idl:23: WillBeGarbageCollected,

Add a FIXME to remove this once the Node becomes [WillBeGarbageCollected]?

[tkent, 2014-05-21 17:59:33]

lgtm.
We can remove a FIXME in WebNode::querySelector.

[sof, 2014-05-21 21:45:04]

On 2014/05/21 17:59:33, tkent wrote:
> lgtm.
> We can remove a FIXME in WebNode::querySelector.

Thanks for remembering that one; gone now.

[sof, 2014-05-21 21:45:14]

https://codereview.chromium.org/290333008/diff/1/Source/core/dom/Element.idl
File Source/core/dom/Element.idl (right):

https://codereview.chromium.org/290333008/diff/1/Source/core/dom/Element.idl#...
Source/core/dom/Element.idl:23: WillBeGarbageCollected,
On 2014/05/21 17:56:28, haraken wrote:
> 
> Add a FIXME to remove this once the Node becomes [WillBeGarbageCollected]?

Good idea, done.

[tkent, 2014-05-21 23:43:15]

lgtm

[commit-bot: I haz the power, 2014-05-21 23:43:58]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/sigbjornf@opera.com/290333008/20001

[Mads Ager (chromium), 2014-05-22 06:45:14]

LGTM! Thanks for doing these cleanups so quickly!

[commit-bot: I haz the power, 2014-05-22 09:07:53]

Change committed as 174537