* fast/css/xml-stylesheet-pi-not-in-prolog-expected.checksum: Added.
        * fast/css/xml-stylesheet-pi-not-in-prolog-expected.png: Added.
        * fast/forms/input-appearance-height-expected.checksum: Added.
        Added missing test results.

        * fast/block/float/nopaint-after-layer-destruction-expected.checksum:
        * fast/block/positioning/absolute-positioned-overconstrained.html:
        * fast/css/ZeroOpacityLayers.html:
        * fast/css/ZeroOpacityLayers2.html:
        * fast/css/font-shorthand-weight-only-expected.checksum:
        * fast/css/hsl-color-expected.checksum:
        * fast/css/hsla-color-expected.checksum:
        * fast/css/resize-corner-tracking-expected.checksum:
        * fast/dom/HTMLLinkElement/pending-stylesheet-count-expected.checksum:
        * fast/dynamic/selection-highlight-adjust-expected.checksum:
        * fast/forms/button-generated-content-expected.checksum:
        * fast/frames/calculate-fi...

        Reviewed by Hyatt, checked in by Tim H.

        For: http://bugzilla.opendarwin.org/show_bug.cgi?id=9115
        Added test case to test opacity layers, in particular, opacities
        with a value of zero.

       * fast/css/ZeroOpacityLayers.html: Added.
       * fast/css/ZeroOpacityLayers-expected.txt: Added.
       * fast/css/ZeroOpacityLayers-expected.png: Added.
       * fast/css/ZeroOpacityLayers-expected.checksum: Added.
       * fast/css/ZeroOpacityLayers2.html: Added.
       * fast/css/ZeroOpacityLayers2-expected.txt: Added.
       * fast/css/ZeroOpacityLayers2-expected.png: Added.
       * fast/css/ZeroOpacityLayers2-expected.checksum: Added.

WebCore:

        Reviewed by Hyatt, checked in by Tim H.

        fixes http://bugzilla.opendarwin.org/show_bug.cgi?id=9115
        Changed RenderLayer to only render layers that are not
        totally transparent.

        * rendering/RenderLayer.cpp
        (RenderLayer::paintLayer):
        Changed function to also check if the layer is totally transparent
        and if it is, don't bother painting it.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@14701 268f45cc-cd09-0410-ab3c-d52691b4dbfc