[ios] Use WebStateObserver to update url bar in ios_web_shell.

[ios] Use WebStateObserver to update url bar in ios_web_shell.

WebStateObserver is used instead of CRWWebClient.

BUG=597997
Committed: https://crrev.com/0d9f22dcfd852d8491468f8fe77cda9ed49badea
Cr-Commit-Position: refs/heads/master@{#383734}

[Eugene But (OOO till 7-30), 2016-03-25 22:51:56]

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

[Eugene But (OOO till 7-30), 2016-03-28 23:01:26]

Kurt?

[kkhorimoto, 2016-03-29 01:10:26]

The CQ bit was checked by kkhorimoto@chromium.org

[kkhorimoto, 2016-03-29 01:10:27]

lgtm

[commit-bot: I haz the power, 2016-03-29 01:10:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1838653002/60001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1838653002/60001

[commit-bot: I haz the power, 2016-03-29 01:13:08]

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

[commit-bot: I haz the power, 2016-03-29 01:13:09]

Try jobs failed on following builders:
  ios_dbg_simulator_gn on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
  ios_dbg_simulator_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
  ios_rel_device_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_ni...)
  mac_chromium_compile_dbg_ng on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)
  mac_chromium_rel_ng on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[Eugene But (OOO till 7-30), 2016-03-29 14:51:52]

The CQ bit was checked by eugenebut@chromium.org

[Eugene But (OOO till 7-30), 2016-03-29 14:51:52]

The patchset sent to the CQ was uploaded after l-g-t-m from
kkhorimoto@chromium.org
Link to the patchset: https://codereview.chromium.org/1838653002/#ps80001
(title: "Merged with origin/master")

[commit-bot: I haz the power, 2016-03-29 14:52:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1838653002/80001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1838653002/80001

[commit-bot: I haz the power, 2016-03-29 14:53:54]

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

[commit-bot: I haz the power, 2016-03-29 14:53:55]

Try jobs failed on following builders:
  ios_dbg_simulator_ninja on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_dbg_simulator...)
  ios_rel_device_gn on tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios_rel_device_gn...)

[Eugene But (OOO till 7-30), 2016-03-29 15:20:51]

The CQ bit was checked by eugenebut@chromium.org

[Eugene But (OOO till 7-30), 2016-03-29 15:20:51]

The patchset sent to the CQ was uploaded after l-g-t-m from
kkhorimoto@chromium.org
Link to the patchset: https://codereview.chromium.org/1838653002/#ps120001
(title: "Removed CANARY_VERSION")

[commit-bot: I haz the power, 2016-03-29 15:21:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1838653002/120001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1838653002/120001

[commit-bot: I haz the power, 2016-03-29 16:05:50]

Committed patchset #7 (id:120001)

[commit-bot: I haz the power, 2016-03-29 16:07:25]

Description was changed from

==========
[ios] Use WebStateObserver to update url bar in ios_web_shell.

WebStateObserver is used instead of CRWWebClient.

BUG=597997
==========

to

==========
[ios] Use WebStateObserver to update url bar in ios_web_shell.

WebStateObserver is used instead of CRWWebClient.

BUG=597997

Committed: https://crrev.com/0d9f22dcfd852d8491468f8fe77cda9ed49badea
Cr-Commit-Position: refs/heads/master@{#383734}
==========

[commit-bot: I haz the power, 2016-03-29 16:07:26]

Patchset 7 (id:??) landed as
https://crrev.com/0d9f22dcfd852d8491468f8fe77cda9ed49badea
Cr-Commit-Position: refs/heads/master@{#383734}