Update a few JumpList comments

Update a few JumpList comments

This CL removes some obsolete comments. For example, the class 
RecentlyClosedTabsHandler is gone, so the related comments should be
deleted as well.

Other comment updates are according to Google C++ style guide.
https://google.github.io/styleguide/cppguide.html#Comments

BUG=40407, 179576
Review-Url: https://codereview.chromium.org/2849113003
Cr-Commit-Position: refs/heads/master@{#468637}
Committed: https://chromium.googlesource.com/chromium/src/+/07cfbaf67fc15e9bab6d586db6b109685fcc4944

[chengx, 2017-05-01 18:34:19]

Description was changed from

==========
4# Enter a description of the change.
Update a few comments.

BUG=40407, 179576
==========

to

==========
Update a few JumpList comments

BUG=40407, 179576
==========

[chengx, 2017-05-01 18:36:18]

Description was changed from

==========
Update a few JumpList comments

BUG=40407, 179576
==========

to

==========
Update a few JumpList comments

This is guided by 
https://google.github.io/styleguide/cppguide.html#Comments

BUG=40407, 179576
==========

[chengx, 2017-05-01 21:41:30]

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

[commit-bot: I haz the power, 2017-05-01 21:42:42]

Dry run: CQ is trying da patch.

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

[chengx, 2017-05-01 21:44:24]

Description was changed from

==========
Update a few JumpList comments

This is guided by 
https://google.github.io/styleguide/cppguide.html#Comments

BUG=40407, 179576
==========

to

==========
Update a few JumpList comments

This CL removes some obsolete comments. For example, the class 
RecentlyClosedTabsHandler is gone, so the related comments should to 
deleted as well.

Other comment updates are according to 
https://google.github.io/styleguide/cppguide.html#Comments

BUG=40407, 179576
==========

[chengx, 2017-05-01 21:44:51]

Description was changed from

==========
Update a few JumpList comments

This CL removes some obsolete comments. For example, the class 
RecentlyClosedTabsHandler is gone, so the related comments should to 
deleted as well.

Other comment updates are according to 
https://google.github.io/styleguide/cppguide.html#Comments

BUG=40407, 179576
==========

to

==========
Update a few JumpList comments

This CL removes some obsolete comments. For example, the class 
RecentlyClosedTabsHandler is gone, so the related comments should be
deleted as well.

Other comment updates are according to 
https://google.github.io/styleguide/cppguide.html#Comments

BUG=40407, 179576
==========

[chengx, 2017-05-01 21:45:27]

Description was changed from

==========
Update a few JumpList comments

This CL removes some obsolete comments. For example, the class 
RecentlyClosedTabsHandler is gone, so the related comments should be
deleted as well.

Other comment updates are according to 
https://google.github.io/styleguide/cppguide.html#Comments

BUG=40407, 179576
==========

to

==========
Update a few JumpList comments

This CL removes some obsolete comments. For example, the class 
RecentlyClosedTabsHandler is gone, so the related comments should be
deleted as well.

Other comment updates are according to Google C++ style guide.
https://google.github.io/styleguide/cppguide.html#Comments

BUG=40407, 179576
==========

[chengx, 2017-05-01 21:46:33]

Patchset #1 (id:1) has been deleted

[chengx, 2017-05-01 21:49:23]

Patchset #1 (id:20001) has been deleted

[chengx, 2017-05-01 22:01:10]

chengx@chromium.org changed reviewers:
+ grt@chromium.org

[chengx, 2017-05-01 22:01:10]

I am updating other comments in a new CL per request. 

PTAL, thanks~

[grt (UTC plus 2), 2017-05-02 10:47:33]

lgtm

[chengx, 2017-05-02 14:34:35]

The CQ bit was checked by chengx@chromium.org

[commit-bot: I haz the power, 2017-05-02 14:35:01]

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, 2017-05-02 15:11:25]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1493735675151370,
"parent_rev": "31f873664134b070fdc2cd2e387edc045de432a8", "commit_rev":
"07cfbaf67fc15e9bab6d586db6b109685fcc4944"}

[commit-bot: I haz the power, 2017-05-02 15:11:39]

Description was changed from

==========
Update a few JumpList comments

This CL removes some obsolete comments. For example, the class 
RecentlyClosedTabsHandler is gone, so the related comments should be
deleted as well.

Other comment updates are according to Google C++ style guide.
https://google.github.io/styleguide/cppguide.html#Comments

BUG=40407, 179576
==========

to

==========
Update a few JumpList comments

This CL removes some obsolete comments. For example, the class 
RecentlyClosedTabsHandler is gone, so the related comments should be
deleted as well.

Other comment updates are according to Google C++ style guide.
https://google.github.io/styleguide/cppguide.html#Comments

BUG=40407, 179576

Review-Url: https://codereview.chromium.org/2849113003
Cr-Commit-Position: refs/heads/master@{#468637}
Committed:
https://chromium.googlesource.com/chromium/src/+/07cfbaf67fc15e9bab6d586db6b1...
==========

[commit-bot: I haz the power, 2017-05-02 15:11:40]

Committed patchset #1 (id:40001) as
https://chromium.googlesource.com/chromium/src/+/07cfbaf67fc15e9bab6d586db6b1...