[Webkit-unassigned] [Bug 51262] WebPageProxy should delete its backing store after not painting for a while

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=51262





--- Comment #27 from Geoffrey Garen <ggaren at apple.com>  2011-02-11 14:45:59 PST ---
> Another option -- a little simpler but possibly less clear -- is for the message sender to keep an internal flag that says "I just sent an InvalidateEverything message, so from now on, ignore all update messages until I see an update message that covers the whole drawing region, at which point I will unset this flag."

Basically, I'm saying that any update that covers the whole drawing region can act as an implicit DidDisplayNow.

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