ARIA 1.1: implementation for aria-col-* and aria-row-*.

third_party/WebKit/Source/modules/accessibility/AXTableRow.cpp

Index: third_party/WebKit/Source/modules/accessibility/AXTableRow.cpp
diff --git a/third_party/WebKit/Source/modules/accessibility/AXTableRow.cpp b/third_party/WebKit/Source/modules/accessibility/AXTableRow.cpp
index 18a59e8c14cc7fff136a023fc3dc5ac2587c6e93..7db69894aa8444c7df50ae562124c314e881bda1 100644
--- a/third_party/WebKit/Source/modules/accessibility/AXTableRow.cpp
+++ b/third_party/WebKit/Source/modules/accessibility/AXTableRow.cpp
@@ -51,6 +51,21 @@ AXTableRow* AXTableRow::create(LayoutObject* layoutObject, AXObjectCacheImpl& ax
     return new AXTableRow(layoutObject, axObjectCache);
 }
 
+void AXTableRow::addChildren()
+{
+    AXLayoutObject::addChildren();
+    int colIndex = ariaColumnIndex();
+    if (!colIndex)
+        return;
+
+    unsigned index = 0;
+    for (const auto& cell : children()) {
+        if (cell->isTableCell())
+            toAXTableCell(cell.get())->setARIAColIndexFromRow(colIndex + index);
+        index++;
+    }
+}
+
 AccessibilityRole AXTableRow::determineAccessibilityRole()
 {
     if (!isTableRow())
@@ -104,6 +119,24 @@ AXObject* AXTableRow::headerObject()
     return headers[0].get();
 }
 
+unsigned AXTableRow::ariaColumnIndex() const
+{
+    const AtomicString& colIndexValue = getAttribute(aria_colindexAttr);
+    if (colIndexValue.toInt() >= 1)
+        return colIndexValue.toInt();
+
+    return 0;
+}
+
+unsigned AXTableRow::ariaRowIndex() const
+{
+    const AtomicString& rowIndexValue = getAttribute(aria_rowindexAttr);
+    if (rowIndexValue.toInt() >= 1)
+        return rowIndexValue.toInt();
+
+    return 0;
+}
+
 void AXTableRow::headerObjectsForRow(AXObjectVector& headers)
 {
     if (!m_layoutObject || !m_layoutObject->isTableRow())