[ios] Fixed dialogs suppression.

[ios] Fixed dialogs suppression.

The issue happened in the following scenario:
 - uer typed in the omnibox to trigger preload
 - preload Tab set shouldSuppressDialogs to YES
 - web view did not exist so suppression was postponed until the load
 - user tapped Go to promote preload Tab to real Tab
 - preload Tab set shouldSuppressDialogs to NO
 - page loaded and postponed suppression suppresses the dialods

This change always cancels postoned suppression if
shouldSuppressDialogs was set to NO.

BUG=618831
Committed: https://crrev.com/fc51dd2482615bab3c156bcd5d3744d146be84ee
Cr-Commit-Position: refs/heads/master@{#400020}

[Eugene But (OOO till 7-30), 2016-06-15 20:36:34]

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

[Eugene But (OOO till 7-30), 2016-06-15 20:36:50]

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

[commit-bot: I haz the power, 2016-06-15 20:36:52]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2072553002/1

[Jackie Quinn, 2016-06-15 20:38:25]

lgtm

[Eugene But (OOO till 7-30), 2016-06-15 20:40:31]

Thank you for quick review!

[Andy Caruso, 2016-06-15 20:52:15]

Description was changed from

==========
[ios] Fixed dialogs suppression.

The issue happened in the following scenario:
 - uer typed in the omnibox to trigger preload
 - preload Tab set shouldSuppressDialogs to YES
 - web view did not exist so suppression was postponed until the load
 - user tapped Go to promote preload Tab to real Tab
 - preload Tab set shouldSuppressDialogs to NO
 - page loaded and postponed suppression suppresses the dialods

This change always cancels postoned suppression if
shouldSuppressDialogs was set to NO.

BUG=618831
==========

to

==========
[ios] Fixed dialogs suppression.

The issue happened in the following scenario:
 - uer typed in the omnibox to trigger preload
 - preload Tab set shouldSuppressDialogs to YES
 - web view did not exist so suppression was postponed until the load
 - user tapped Go to promote preload Tab to real Tab
 - preload Tab set shouldSuppressDialogs to NO
 - page loaded and postponed suppression suppresses the dialods

This change always cancels postoned suppression if
shouldSuppressDialogs was set to NO.

BUG=618831
==========

[commit-bot: I haz the power, 2016-06-15 21:23:03]

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

[commit-bot: I haz the power, 2016-06-15 21:23:04]

Dry run: This issue passed the CQ dry run.

[Eugene But (OOO till 7-30), 2016-06-15 21:44:34]

The CQ bit was checked by eugenebut@chromium.org

[commit-bot: I haz the power, 2016-06-15 21:45:29]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2072553002/1

[commit-bot: I haz the power, 2016-06-15 21:50:04]

Description was changed from

==========
[ios] Fixed dialogs suppression.

The issue happened in the following scenario:
 - uer typed in the omnibox to trigger preload
 - preload Tab set shouldSuppressDialogs to YES
 - web view did not exist so suppression was postponed until the load
 - user tapped Go to promote preload Tab to real Tab
 - preload Tab set shouldSuppressDialogs to NO
 - page loaded and postponed suppression suppresses the dialods

This change always cancels postoned suppression if
shouldSuppressDialogs was set to NO.

BUG=618831
==========

to

==========
[ios] Fixed dialogs suppression.

The issue happened in the following scenario:
 - uer typed in the omnibox to trigger preload
 - preload Tab set shouldSuppressDialogs to YES
 - web view did not exist so suppression was postponed until the load
 - user tapped Go to promote preload Tab to real Tab
 - preload Tab set shouldSuppressDialogs to NO
 - page loaded and postponed suppression suppresses the dialods

This change always cancels postoned suppression if
shouldSuppressDialogs was set to NO.

BUG=618831
==========

[commit-bot: I haz the power, 2016-06-15 21:50:08]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-15 21:52:40]

Description was changed from

==========
[ios] Fixed dialogs suppression.

The issue happened in the following scenario:
 - uer typed in the omnibox to trigger preload
 - preload Tab set shouldSuppressDialogs to YES
 - web view did not exist so suppression was postponed until the load
 - user tapped Go to promote preload Tab to real Tab
 - preload Tab set shouldSuppressDialogs to NO
 - page loaded and postponed suppression suppresses the dialods

This change always cancels postoned suppression if
shouldSuppressDialogs was set to NO.

BUG=618831
==========

to

==========
[ios] Fixed dialogs suppression.

The issue happened in the following scenario:
 - uer typed in the omnibox to trigger preload
 - preload Tab set shouldSuppressDialogs to YES
 - web view did not exist so suppression was postponed until the load
 - user tapped Go to promote preload Tab to real Tab
 - preload Tab set shouldSuppressDialogs to NO
 - page loaded and postponed suppression suppresses the dialods

This change always cancels postoned suppression if
shouldSuppressDialogs was set to NO.

BUG=618831

Committed: https://crrev.com/fc51dd2482615bab3c156bcd5d3744d146be84ee
Cr-Commit-Position: refs/heads/master@{#400020}
==========

[commit-bot: I haz the power, 2016-06-15 21:52:42]

Patchset 1 (id:??) landed as
https://crrev.com/fc51dd2482615bab3c156bcd5d3744d146be84ee
Cr-Commit-Position: refs/heads/master@{#400020}