[Webkit-unassigned] [Bug 194787] Spew: Unhandled web process message 'VisitedLinkTableController:VisitedLinkStateChanged'

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=194787

--- Comment #3 from Chris Dumez <cdumez at apple.com> ---
The WebProcess does not have a VisitedLinkTableController, likely because it does not have any pages any more. Before PSON, we use to terminate such processes. However, with PSON, we may keep processes without pages alive due to:
- Suspended pages
- WebProcess cache
- Process pre-warming

This basically mean we're sending VisitedLinkTableController:VisitedLinkStateChanged IPC to WebProcesses who do not care about such notifications. I do not believe this is actually harmful but the error logging is indeed unfortunate.

Currently, WebProcessProxy::shutDown() is in charge of unregistering the process from the visitedLinkStores. I guess we have to do so when the process no longer has any WebPage.

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