[Webkit-unassigned] [Bug 105725] New: Web Inspector: Native Memory Instrumentation: propagate ownership type to the serialized heap graph

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=105725

           Summary: Web Inspector: Native Memory Instrumentation:
                    propagate ownership type to the serialized heap graph
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: loislo at chromium.org
                CC: keishi at webkit.org, pmuellr at yahoo.com,
                    pfeldman at chromium.org, yurys at chromium.org,
                    apavlov at chromium.org, loislo at chromium.org,
                    vsevik at chromium.org,
                    web-inspector-bugs at googlegroups.com


We are collecting information about edges but do not report the edge type.
But we could calculate edge types almost automatically.

Actually WebCore uses three edge types. 
ByPointer usually means a weak reference.
ByOwnPtr means a single strong reference.
ByRefPtr means one or more strong references.

In some cases a pointer to an object could be a strong reference. I hope it is relatively rare case in WebCore.
If it is possible I'll replace such pointer with OwnPtr. If it is not possible, I'll introduce addStrongPointerMember method.

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