Remove the lifetime hack in ImageLoader where it keeps its assoc element alive

Remove the lifetime hack in ImageLoader where it keeps its assoc element alive

{HTML,SVG}ImageElement keeps itself alive by {HTML,SVG}ImageElement::hasPendingActivity

BUG=383741

[kouhei (in TOK), 2016-09-14 16:47:08]

The CQ bit was checked by kouhei@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-09-14 16:47:21]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[kouhei (in TOK), 2016-09-14 16:49:27]

kouhei@chromium.org changed reviewers:
+ haraken@chromium.org, yukishiino@chromium.or

[kouhei (in TOK), 2016-09-14 16:49:27]

warito scary

[commit-bot: I haz the power, 2016-09-14 17:53:45]

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

[commit-bot: I haz the power, 2016-09-14 17:53:46]

Dry run: Try jobs failed on following builders:
  mac_chromium_rel_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[haraken, 2016-09-15 01:06:10]

LGTM

[hiroshige, 2016-09-15 04:32:11]

hiroshige@chromium.org changed reviewers:
+ hiroshige@chromium.org

[hiroshige, 2016-09-15 04:32:12]

Great, but some tests are failing consistently on the bots.

[kouhei (in TOK), 2016-09-15 09:08:28]

On 2016/09/15 04:32:12, hiroshige wrote:
> Great, but some tests are failing consistently on the bots.

Actually I want your input here, the failing tests are from the GC crash tests.
I'm not sure if we really need to match the behavior here, or simply remove the
tests.
See:
https://cs.chromium.org/chromium/src/third_party/WebKit/Source/core/loader/Im...

[Yuki, 2016-11-01 13:07:46]

Description was changed from

==========
Remove the lifetime hack in ImageLoader where it keeps its assoc element alive

{HTML,SVG}ImageElement keeps itself alive by
{HTML,SVG}ImageElement::hasPendingActivity

BUG=383741
==========

to

==========
Remove the lifetime hack in ImageLoader where it keeps its assoc element alive

{HTML,SVG}ImageElement keeps itself alive by
{HTML,SVG}ImageElement::hasPendingActivity

BUG=383741
==========

[Yuki, 2016-11-01 13:07:47]

yukishiino@chromium.org changed reviewers:
+ yukishiino@chromium.org
- yukishiino@chromium.or