[Webkit-unassigned] [Bug 51262] New: 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

           Summary: WebPageProxy should delete its backing store after not
                    painting for a while
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: NeedsRadar
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: aroben at apple.com
                CC: andersca at apple.com, sam at webkit.org


Classic WebKit (on Windows, anyway) has an optimization where it deletes its backing store after not painting for a while (Classic WebKit uses a 5-second delay). This frees up memory in use by background tabs, e.g. WebKit2 should do this, too.

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