Reviewed by Oliver Hunt.

        Off-by-one error in index validation for drawElements and drawArrays
        https://bugs.webkit.org/show_bug.cgi?id=31891

        Fixed computation of number of elements for bound array objects.

        Test: fast/canvas/webgl/index-validation.html

        * fast/canvas/webgl/index-validation-expected.txt: Added.
        * fast/canvas/webgl/index-validation.html: Added.
        * fast/canvas/webgl/script-tests/index-validation.js: Added.
2009-11-25  Kenneth Russell  <kbr@google.com>

        Reviewed by Oliver Hunt.

        Off-by-one error in index validation for drawElements and drawArrays
        https://bugs.webkit.org/show_bug.cgi?id=31891

        Fixed computation of number of elements for bound array objects.

        Test: fast/canvas/webgl/index-validation.html

        * html/canvas/WebGLRenderingContext.cpp:
        (WebCore::WebGLRenderingContext::vertexAttribPointer):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@51400 268f45cc-cd09-0410-ab3c-d52691b4dbfc