[ios] Signal DidFinishLoad if target URL is invalid.

[ios] Signal DidFinishLoad if target URL is invalid.

Target URL can be invalid if Reload is called for empty navigation
manager. Empty Navigation Manager is a reasonable state when the only
pending item was a page with badd SSL cert and user Tapped Go Back.

BUG=598047
Committed: https://crrev.com/8466be358c11657cb90fe148c10017573e6cabdc
Cr-Commit-Position: refs/heads/master@{#385085}

[Eugene But (OOO till 7-30), 2016-04-04 22:09:29]

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

[rohitrao (ping after 24h), 2016-04-05 00:44:21]

lgtm

[Eugene But (OOO till 7-30), 2016-04-05 01:33:47]

The CQ bit was checked by eugenebut@chromium.org

[commit-bot: I haz the power, 2016-04-05 01:34:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1844363004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1844363004/1

[commit-bot: I haz the power, 2016-04-05 02:16:08]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-05 02:17:44]

Description was changed from

==========
[ios] Signal DidFinishLoad if target URL is invalid.

Target URL can be invalid if Reload is called for empty navigation
manager. Empty Navigation Manager is a reasonable state when the only
pending item was a page with badd SSL cert and user Tapped Go Back.

BUG=598047
==========

to

==========
[ios] Signal DidFinishLoad if target URL is invalid.

Target URL can be invalid if Reload is called for empty navigation
manager. Empty Navigation Manager is a reasonable state when the only
pending item was a page with badd SSL cert and user Tapped Go Back.

BUG=598047

Committed: https://crrev.com/8466be358c11657cb90fe148c10017573e6cabdc
Cr-Commit-Position: refs/heads/master@{#385085}
==========

[commit-bot: I haz the power, 2016-04-05 02:17:44]

Patchset 1 (id:??) landed as
https://crrev.com/8466be358c11657cb90fe148c10017573e6cabdc
Cr-Commit-Position: refs/heads/master@{#385085}