зеркало из https://github.com/mozilla/gecko-dev.git
68cdb08594
Previously the `WebNavigationChild` would keep track of when triggering its `nsIWebNavigation`, `goForward`, `goBack`, `gotoIndex`, and `loadURI` methods. It's `nsIWebNavigation` instance is always an `nsIDocShell` and as part of porting `OnStateChange` and `OnLocationChange` events from `WebProgressChild`/`RemoteWebProgress` to `BrowserChild`/`BrowserParent`, this informations needs to be available from the `BrowserChild`. As it stands, it is currently an expando property on the `WebProgressChild`. Instead of introducing yet another XPCOM interface for the WebProgressChild, we now store this information directly on the `nsDocShell`. Furthermore, instead of having the `WebNavigationChild` manage this part of the `nsDocShell`'s state, we can have the `nsDocShell` manage this state itself so it is always consistent. Differential Revision: https://phabricator.services.mozilla.com/D28124 --HG-- extra : moz-landing-system : lando |
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