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[iOS] Clear WebUI when navigating back to restore URL

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With SlimNavigationManager enabled, navigating back to a restore URL after a
cold launch DCHECKs because the webUI is not cleared.

Bug: 996221
Change-Id: I2c754f2e95dd6fad3cb7861eaff275602154671d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1773700
Reviewed-by: Kurt Horimoto <kkhorimoto@chromium.org>
Commit-Queue: Mike Dougherty <michaeldo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#691815}
This commit is contained in:
Mike Dougherty
2019-08-29 21:43:06 +00:00
committed by Commit Bot
parent 87247c9538
commit 7554fd42ff
1 changed files with 2 additions and 0 deletions

2
ios/web/web_state/ui/crw_web_controller.mm

@ -834,6 +834,8 @@ typedef void (^ViewportStateCompletion)(const web::PageViewportState*);
return;
}
self.webStateImpl->ClearWebUI();
// This navigation can be an iframe navigation, but it's not possible to
// distinguish it from the main frame navigation, so context still has to be
// created.