Ensure all AssociatedURLLoader be cancelled before shutting down Blink.

Ensure all AssociatedURLLoader be cancelled before shutting down Blink.

ImageDownloaderImpl is using AssociatedURLLoader, all active
AssociatedURLLoader must be cancelled before shutting down Blink.

BUG=601737
Committed: https://crrev.com/d0173cb77f8a5771bc9f27b570149436707626f7
Cr-Commit-Position: refs/heads/master@{#386338}

[leonhsl(Using Gerrit), 2016-04-09 02:33:23]

The CQ bit was checked by leon.han@intel.com to run a CQ dry run

[commit-bot: I haz the power, 2016-04-09 02:33:41]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1873003002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1873003002/1

[leonhsl(Using Gerrit), 2016-04-09 03:08:48]

leon.han@intel.com changed reviewers:
+ jochen@chromium.org, tyoshino@chromium.org

[leonhsl(Using Gerrit), 2016-04-09 03:08:49]

Hi, Jochen, would you PTAL at this? Thanks~

+tyoshino FYI

[commit-bot: I haz the power, 2016-04-09 03:31:52]

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

[commit-bot: I haz the power, 2016-04-09 03:31:52]

Dry run: This issue passed the CQ dry run.

[jochen (gone - plz use gerrit), 2016-04-09 23:44:19]

lgtm

[leonhsl(Using Gerrit), 2016-04-11 04:41:06]

The CQ bit was checked by leon.han@intel.com

[commit-bot: I haz the power, 2016-04-11 04:41:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1873003002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1873003002/1

[tyoshino (SeeGerritForStatus), 2016-04-11 05:38:08]

lgtm

Thanks

[commit-bot: I haz the power, 2016-04-11 05:41:46]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-11 05:43:32]

Description was changed from

==========
Ensure all AssociatedURLLoader be cancelled before shutting down Blink.

ImageDownloaderImpl is using AssociatedURLLoader, all active
AssociatedURLLoader must be cancelled before shutting down Blink.

BUG=601737
==========

to

==========
Ensure all AssociatedURLLoader be cancelled before shutting down Blink.

ImageDownloaderImpl is using AssociatedURLLoader, all active
AssociatedURLLoader must be cancelled before shutting down Blink.

BUG=601737

Committed: https://crrev.com/d0173cb77f8a5771bc9f27b570149436707626f7
Cr-Commit-Position: refs/heads/master@{#386338}
==========

[commit-bot: I haz the power, 2016-04-11 05:43:33]

Patchset 1 (id:??) landed as
https://crrev.com/d0173cb77f8a5771bc9f27b570149436707626f7
Cr-Commit-Position: refs/heads/master@{#386338}