cc: Use weak ptr for async read pixel queries.

cc: Use weak ptr for async read pixel queries.

This cleans up the async read pixel code a bit by using weak ptrs
instead of cancelable callbacks.

BUG=678234
TEST=cc_unittests
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel

Review-Url: https://codereview.chromium.org/2628883004
Cr-Commit-Position: refs/heads/master@{#443347}
Committed: https://chromium.googlesource.com/chromium/src/+/aec7d45bff4c7a8a697034754600f264988714ec

[reveman, 2017-01-12 17:17:47]

Description was changed from

==========
cc: Use weak ptr for async read pixel queries.

This cleans up the async read pixel code a bit by using weak ptrs
instead of cancelable callbacks.

BUG=678234
TEST=cc_unittests
==========

to

==========
cc: Use weak ptr for async read pixel queries.

This cleans up the async read pixel code a bit by using weak ptrs
instead of cancelable callbacks.

BUG=678234
TEST=cc_unittests
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel
==========

[reveman, 2017-01-12 17:17:56]

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

[commit-bot: I haz the power, 2017-01-12 17:18:22]

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

[commit-bot: I haz the power, 2017-01-12 18:25:25]

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

[commit-bot: I haz the power, 2017-01-12 18:25:25]

Dry run: This issue passed the CQ dry run.

[reveman, 2017-01-12 19:26:06]

reveman@chromium.org changed reviewers:
+ danakj@chromium.org

[danakj, 2017-01-12 20:08:00]

LGTM thanks!

[reveman, 2017-01-12 20:32:06]

The CQ bit was checked by reveman@chromium.org

[commit-bot: I haz the power, 2017-01-12 20:33:45]

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

[commit-bot: I haz the power, 2017-01-12 20:41:55]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484253126219320, "parent_rev":
"11503f74074c408c64cc2ba7178124857e1c9d48", "commit_rev":
"aec7d45bff4c7a8a697034754600f264988714ec"}

[commit-bot: I haz the power, 2017-01-12 20:42:25]

Description was changed from

==========
cc: Use weak ptr for async read pixel queries.

This cleans up the async read pixel code a bit by using weak ptrs
instead of cancelable callbacks.

BUG=678234
TEST=cc_unittests
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel
==========

to

==========
cc: Use weak ptr for async read pixel queries.

This cleans up the async read pixel code a bit by using weak ptrs
instead of cancelable callbacks.

BUG=678234
TEST=cc_unittests
CQ_INCLUDE_TRYBOTS=master.tryserver.blink:linux_trusty_blink_rel

Review-Url: https://codereview.chromium.org/2628883004
Cr-Commit-Position: refs/heads/master@{#443347}
Committed:
https://chromium.googlesource.com/chromium/src/+/aec7d45bff4c7a8a697034754600...
==========

[commit-bot: I haz the power, 2017-01-12 20:42:26]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/aec7d45bff4c7a8a697034754600...