Implemented ARIA colindex, rowindex, colcount and rowcount for Chromevox.

content/renderer/accessibility/blink_ax_tree_source.cc

Index: content/renderer/accessibility/blink_ax_tree_source.cc
diff --git a/content/renderer/accessibility/blink_ax_tree_source.cc b/content/renderer/accessibility/blink_ax_tree_source.cc
index 4e6478a9f0607460091ed54e13645491d06c72b4..2b68da5f24a98137b2f567d36bc3e6333396f83e 100644
--- a/content/renderer/accessibility/blink_ax_tree_source.cc
+++ b/content/renderer/accessibility/blink_ax_tree_source.cc
@@ -702,7 +702,7 @@ void BlinkAXTreeSource::SerializeNode(blink::WebAXObject src,
         dst->role == ui::AX_ROLE_TREE_GRID) {
       int aria_colcount = src.ariaColumnCount();
       if (aria_colcount)
-        dst->AddIntAttribute(ui::AX_ATTR_ARIA_COL_COUNT, aria_colcount);
+        dst->AddIntAttribute(ui::AX_ATTR_ARIA_COLUMN_COUNT, aria_colcount);
 
       int aria_rowcount = src.ariaRowCount();
       if (aria_rowcount)
@@ -738,12 +738,13 @@ void BlinkAXTreeSource::SerializeNode(blink::WebAXObject src,
 
         int aria_colindex = src.ariaColumnIndex();
         if (aria_colindex)
-          dst->AddIntAttribute(ui::AX_ATTR_ARIA_COL_INDEX, aria_colindex);
+          dst->AddIntAttribute(ui::AX_ATTR_ARIA_CELL_COLUMN_INDEX,

[dmazzoni, 2017/04/11 02:57:38]

nit: this needs braces now

+                               aria_colindex);
       }
 
       int aria_rowindex = src.ariaRowIndex();
       if (aria_rowindex)
-        dst->AddIntAttribute(ui::AX_ATTR_ARIA_ROW_INDEX, aria_rowindex);
+        dst->AddIntAttribute(ui::AX_ATTR_ARIA_CELL_ROW_INDEX, aria_rowindex);
     }
 
     if ((dst->role == ui::AX_ROLE_ROW_HEADER ||