Remove Tab's |-url| property.

Remove Tab's |-url| property.

Clients of the class should use |-lastCommittedURL| or |-visibleURL|.

BUG=546208
Review-Url: https://codereview.chromium.org/2919983002
Cr-Commit-Position: refs/heads/master@{#476722}
Committed: https://chromium.googlesource.com/chromium/src/+/0665658248db9bab31c319a1d11279b2bed3b6df

[kkhorimoto, 2017-06-02 17:42:57]

kkhorimoto@chromium.org changed reviewers:
+ eugenebut@chromium.org

[Eugene But (OOO till 7-30), 2017-06-02 17:54:28]

lgtm

[kkhorimoto, 2017-06-02 17:55:09]

The CQ bit was checked by kkhorimoto@chromium.org

[commit-bot: I haz the power, 2017-06-02 17:55:27]

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, 2017-06-02 18:09:23]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1496426109347700, "parent_rev":
"0d45b0a76a64f9815c573e8a15534a47c7160877", "commit_rev":
"0665658248db9bab31c319a1d11279b2bed3b6df"}

[commit-bot: I haz the power, 2017-06-02 18:09:31]

Description was changed from

==========
Remove Tab's |-url| property.

Clients of the class should use |-lastCommittedURL| or |-visibleURL|.

BUG=546208
==========

to

==========
Remove Tab's |-url| property.

Clients of the class should use |-lastCommittedURL| or |-visibleURL|.

BUG=546208

Review-Url: https://codereview.chromium.org/2919983002
Cr-Commit-Position: refs/heads/master@{#476722}
Committed:
https://chromium.googlesource.com/chromium/src/+/0665658248db9bab31c319a1d112...
==========

[commit-bot: I haz the power, 2017-06-02 18:09:32]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/0665658248db9bab31c319a1d112...