[Webkit-unassigned] [Bug 103366] New: [TexMap] Refactor TextureMapperLayer::flushCompositingState().

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=103366

           Summary: [TexMap] Refactor
                    TextureMapperLayer::flushCompositingState().
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: luxtella at company100.net


Move layer-tree traverse from TextureMapperLaye to GraphicsLayerTextureMapper.

It is because of two reasons.
1. It is a part of implementing actor model. After implementing actor model,
each GraphicsLayerTextureMapper needs to send a layer state message to
TextureMapperLayer. It means the outside instance of TextureMapperLayer should
perform recursive traverse.
2. LayerTreeRenderer needs to syncronize a layer state of TextureMapperLayer when
receiving the SetCompositingLayerState message. See Bug 103171.

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