Change GetAccessToken APIs so that they don't pass const ref to blocks.

Change GetAccessToken APIs so that they don't pass const ref to blocks.

Objective-C blocks should not be passed as const ref. This CL replaces
APIs that take const ref to an Obj-C block and instead uses a pointer
to a block. This makes the code compatible with ARC in the future.

BUG=738861
Review-Url: https://codereview.chromium.org/2970703002
Cr-Commit-Position: refs/heads/master@{#483992}
Committed: https://chromium.googlesource.com/chromium/src/+/853a46cde856de187f916e7b56734a7bba821b36

[stkhapugin, 2017-07-03 11:54:51]

stkhapugin@chromium.org changed reviewers:
+ bzanotti@chromium.org

[stkhapugin, 2017-07-03 11:54:51]

PTAL

[bzanotti, 2017-07-03 11:57:28]

lgtm

[stkhapugin, 2017-07-03 11:57:44]

The CQ bit was checked by stkhapugin@chromium.org

[commit-bot: I haz the power, 2017-07-03 11:57:49]

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, 2017-07-03 12:12:38]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1499083064251400, "parent_rev":
"7fd035e504c5ee5657384c049e203eb7f4c1a384", "commit_rev":
"853a46cde856de187f916e7b56734a7bba821b36"}

[commit-bot: I haz the power, 2017-07-03 12:12:51]

Description was changed from

==========
Change GetAccessToken APIs so that they don't pass const ref to blocks.

Objective-C blocks should not be passed as const ref. This CL replaces
APIs that take const ref to an Obj-C block and instead uses a pointer
to a block. This makes the code compatible with ARC in the future.

BUG=738861
==========

to

==========
Change GetAccessToken APIs so that they don't pass const ref to blocks.

Objective-C blocks should not be passed as const ref. This CL replaces
APIs that take const ref to an Obj-C block and instead uses a pointer
to a block. This makes the code compatible with ARC in the future.

BUG=738861

Review-Url: https://codereview.chromium.org/2970703002
Cr-Commit-Position: refs/heads/master@{#483992}
Committed:
https://chromium.googlesource.com/chromium/src/+/853a46cde856de187f916e7b5673...
==========

[commit-bot: I haz the power, 2017-07-03 12:12:52]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/853a46cde856de187f916e7b5673...