[Webkit-unassigned] [Bug 68224] New: [Chromium] Get rid of WebAccessibilityCache

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=68224

           Summary: [Chromium] Get rid of WebAccessibilityCache
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Accessibility
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dmazzoni at google.com
                CC: dglazkov at chromium.org


WebAccessibilityCache is duplicating the functionality of AXObjectCache rather than replacing it.

In addition, it's resulting in a subtle and confusing bug: because it uses a hash from pointer to ID, occasionally an object will be deleted, but another object will be allocated that coincidentally happens to get the same pointer address. When this happens, WebAccessibilityCache gives it the same ID, which can cause all sorts of anomalous behavior.

Strategy: first add the necessary methods to wrap the existing AXObjectCache functionality needed. Then remove WebAccessibilityCache.

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