[Webkit-unassigned] [Bug 24551] New: Ref-counted font handling

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=24551

           Summary: Ref-counted font handling
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Platform
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: Kelemen.Balazs.3 at stud.u-szeged.hu
                CC: hausmann at webkit.org


I found there are leaking SimpleFontData objects in QtWebKit.
That's because the result of FontFallbackList::fontDataAt
is not freed. I made FontData, SimpleFontData and SegmentedFontData
ref-counted and used RefPtr-s when ownership is passed.
The patch are not complete yet because other ports are not compile with it.
Our measurements shows it has a very good affect on memory usage at least
in the case of Qt port.


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