[Webkit-unassigned] [Bug 66488] New: [chromium] Leaking SkBitmaps for background images

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=66488

           Summary: [chromium] Leaking SkBitmaps for background images
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Misc.
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: tonyg at chromium.org
                CC: mnaganov at chromium.org, jamesr at chromium.org,
                    satish at chromium.org


It appears that images used as background images will never be collected for the lifetime of a renderer.

One problem is that NativeImageSkia is a SkBitmap, but SkBitmap's dtor isn't virtual. So we leak fields like the m_resizedImage SkBitmap.

However, just making SkBitmaps dtor virtual doesn't seem to fix the problem. There is something else going on w/ the assignment operator or copy constructors that I am still trying to figure out. Any other set of eyes on this would be appreciated.

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