Remove usage of Tab's |url| property from MetricsMediator.

Remove usage of Tab's |url| property from MetricsMediator.

BUG=546208
Review-Url: https://codereview.chromium.org/2819883002
Cr-Commit-Position: refs/heads/master@{#465680}
Committed: https://chromium.googlesource.com/chromium/src/+/4d1da988bfeb8c480f8f92af9d328a428050255e

[kkhorimoto, 2017-04-14 20:28:51]

kkhorimoto@chromium.org changed reviewers:
+ eugenebut@chromium.org, rohitrao@chromium.org, sdefresne@chromium.org

[kkhorimoto, 2017-04-14 20:28:51]

https://codereview.chromium.org/2819883002/diff/1/ios/chrome/app/application_...
File ios/chrome/app/application_delegate/metrics_mediator.mm (right):

https://codereview.chromium.org/2819883002/diff/1/ios/chrome/app/application_...
ios/chrome/app/application_delegate/metrics_mediator.mm:147: if
(currentTab.lastCommittedURL == ntpUrl) {
These metrics are gathered at startup, so I think it's safe to assume that no
load is occurring and that we can use the last committed URL here.

[Eugene But (OOO till 7-30), 2017-04-14 21:39:58]

lgtm

[kkhorimoto, 2017-04-18 21:23:49]

The CQ bit was checked by kkhorimoto@chromium.org

[commit-bot: I haz the power, 2017-04-18 21:24:34]

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, 2017-04-18 22:10:55]

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

[commit-bot: I haz the power, 2017-04-18 22:10:56]

Try jobs failed on following builders:
  ios-simulator on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator/bui...)

[kkhorimoto, 2017-04-19 18:36:47]

The CQ bit was checked by kkhorimoto@chromium.org

[kkhorimoto, 2017-04-19 18:36:48]

The patchset sent to the CQ was uploaded after l-g-t-m from
eugenebut@chromium.org
Link to the patchset: https://codereview.chromium.org/2819883002/#ps20001
(title: "Check for tab before getting URL")

[commit-bot: I haz the power, 2017-04-19 18:37:24]

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, 2017-04-19 18:50:12]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1492627007842090,
"parent_rev": "5fd07b247351ec0166a0cf974c8b830472dac27b", "commit_rev":
"4d1da988bfeb8c480f8f92af9d328a428050255e"}

[commit-bot: I haz the power, 2017-04-19 18:51:33]

Description was changed from

==========
Remove usage of Tab's |url| property from MetricsMediator.

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

to

==========
Remove usage of Tab's |url| property from MetricsMediator.

BUG=546208

Review-Url: https://codereview.chromium.org/2819883002
Cr-Commit-Position: refs/heads/master@{#465680}
Committed:
https://chromium.googlesource.com/chromium/src/+/4d1da988bfeb8c480f8f92af9d32...
==========

[commit-bot: I haz the power, 2017-04-19 18:51:35]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/4d1da988bfeb8c480f8f92af9d32...