[Webkit-unassigned] [Bug 68225] New: [Chromium] Expose AXObjectCache methods so WebAccessibilityCache can be deleted.
bugzilla-daemon at webkit.org
bugzilla-daemon at webkit.org
Thu Sep 15 23:30:36 PDT 2011
https://bugs.webkit.org/show_bug.cgi?id=68225
Summary: [Chromium] Expose AXObjectCache methods so
WebAccessibilityCache can be deleted.
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.
This bug is to first add the necessary methods to wrap the existing AXObjectCache functionality needed. Then Chromium will be modified to use these methods instead of WebAccessibilityCache. Finally, we'll remove WebAccessibilityCache (https://bugs.webkit.org/show_bug.cgi?id=68224).
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