[Webkit-unassigned] [Bug 228724] New: Use an intrusive linked list to associate form control elements with FormController

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=228724

            Bug ID: 228724
           Summary: Use an intrusive linked list to associate form control
                    elements with FormController
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Forms
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: heycam at apple.com
                CC: cdumez at apple.com, webkit-bug-importer at group.apple.com,
                    wenson_hsieh at apple.com

The FormController::m_formElementsWithState ListHashSet accesses show up in Speedometer profiles.  Form control elements are only ever associated with a single FormController, so instead we can place them in their own linked list and avoid having the HashSet.

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