Reviewed by Chris Fleizach.

        Add new test for canvas fallback content and update existing text for new canvas role.
        https://bugs.webkit.org/show_bug.cgi?id=50126

        * accessibility/canvas-fallback-content-expected.txt: Added.
        * accessibility/canvas-fallback-content.html: Added.
        * accessibility/canvas.html:
2011-02-16  Dominic Mazzoni  <dmazzoni@google.com>

        Reviewed by Chris Fleizach.

        Add support for canvas fallback content.
        https://bugs.webkit.org/show_bug.cgi?id=50126

        Test: accessibility/canvas-fallback-content.html

        * accessibility/AccessibilityObject.h:
        * accessibility/AccessibilityRenderObject.cpp:
        (WebCore::AccessibilityRenderObject::determineAccessibilityRole):
        (WebCore::AccessibilityRenderObject::canHaveChildren):
        * accessibility/gtk/AccessibilityObjectWrapperAtk.cpp:
        (atkRole):
        * accessibility/mac/AccessibilityObjectWrapper.mm:
        * html/HTMLFormControlElement.cpp:
        (WebCore::HTMLFormControlElement::isFocusable):
        * rendering/RenderHTMLCanvas.cpp:
        (WebCore::RenderHTMLCanvas::recursiveSetNoNeedsLayout):
        (WebCore::RenderHTMLCanvas::layout):
        (WebCore::RenderHTMLCanvas::nodeAtPoint):
        * rendering/RenderHTMLCanvas.h:
        (WebCore::RenderHTMLCanvas::children):
        (WebCore::RenderHTMLCanvas::canHaveChildren):
        (WebCore::RenderHTMLCanvas::virtualChildren):
        * rendering/RenderObject.cpp:
        (WebCore::RenderObject::repaint):
        * rendering/RenderTreeAsText.cpp:
        (WebCore::write):
2011-02-16  Dominic Mazzoni  <dmazzoni@google.com>

        Reviewed by Chris Fleizach.

        Add new role for canvas elements.

        https://bugs.webkit.org/show_bug.cgi?id=50126

        * public/WebAccessibilityRole.h:
        * src/AssertMatchingEnums.cpp:
2011-02-16  Dominic Mazzoni  <dmazzoni@google.com>

        Reviewed by Chris Fleizach.

        Add new role for canvas elements.

        https://bugs.webkit.org/show_bug.cgi?id=50126

        Test: accessibility/canvas-fallback-content.html

        * AccessibleBase.cpp:
        (MSAARole):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@78789 268f45cc-cd09-0410-ab3c-d52691b4dbfc