[Webkit-unassigned] [Bug 111919] New: Coordinated Graphics: Unify messages related object's lifecycles into CoordinatedGraphicsState.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=111919

           Summary: Coordinated Graphics: Unify messages related object's
                    lifecycles into CoordinatedGraphicsState.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ryumiel at company100.net
                CC: noam at webkit.org, luxtella at company100.net,
                    jae.park at company100.net


CoordinatedLayerTreeHostProxy has several methods, which simply passes
    these calls to CoordinatedGraphicsScene.

    This patch removes methods in CoordinatedLayerTreeHostProxy just for
    message chaining. Instead of that, messages for creation/deletion of objects
    (Layers, CustomFilters, UpdateAtlas, and ImageBacking) are unified into
    CommitCoordinatedGraphicsState.

    And this patch also removes codes for WebCoordinatedSurface in
    CoordinatedLayerTreeHost, except for a factory method.
    CoordinatedGraphicsArgumentCoders [en|de]codes CoordinatedSurface itself
    using WebCoordinatedSurface.

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