Adds accessibility role for figure tag and handles its children as a group.

Source/core/accessibility/AXRenderObject.cpp

Index: Source/core/accessibility/AXRenderObject.cpp
diff --git a/Source/core/accessibility/AXRenderObject.cpp b/Source/core/accessibility/AXRenderObject.cpp
index a3106b22c7cba331614e7dc8e9cbf8efd4923b1f..91f691f745c6515f65f72c29547e31e6727520a4 100644
--- a/Source/core/accessibility/AXRenderObject.cpp
+++ b/Source/core/accessibility/AXRenderObject.cpp
@@ -388,6 +388,9 @@ AccessibilityRole AXRenderObject::determineAccessibilityRole()
     if (isEmbeddedObject())
         return EmbeddedObjectRole;
 
+    if (node && node->hasTagName(figureTag))
+        return FigureRole;
+
     // There should only be one banner/contentInfo per page. If header/footer are being used within an article or section
     // then it should not be exposed as whole page's banner/contentInfo
     if (node && node->hasTagName(headerTag) && !isDescendantOfElementType(articleTag) && !isDescendantOfElementType(sectionTag))
@@ -675,6 +678,9 @@ bool AXRenderObject::computeAccessibilityIsIgnored() const
     if (roleValue() == DialogRole)
         return false;
 
+    if (roleValue() == FigureRole)
+        return false;
+
     // if this element has aria attributes on it, it should not be ignored.
     if (supportsARIAAttributes())
         return false;