Added the aria-sort state to the accessibility tree.

content/renderer/accessibility/blink_ax_tree_source.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/accessibility/blink_ax_tree_source.h"
 
 #include <set>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
@@ skipping 522 matching lines @@
       dst->role == ui::AX_ROLE_ROW_HEADER ||
       dst->role == ui::AX_ROLE_COLUMN_HEADER) {
     dst->AddIntAttribute(ui::AX_ATTR_TABLE_CELL_COLUMN_INDEX,
                          src.cellColumnIndex());
     dst->AddIntAttribute(ui::AX_ATTR_TABLE_CELL_COLUMN_SPAN,
                          src.cellColumnSpan());
     dst->AddIntAttribute(ui::AX_ATTR_TABLE_CELL_ROW_INDEX, src.cellRowIndex());
     dst->AddIntAttribute(ui::AX_ATTR_TABLE_CELL_ROW_SPAN, src.cellRowSpan());
   }
 
+  if ((dst->role == ui::AX_ROLE_ROW_HEADER ||
+      dst->role == ui::AX_ROLE_COLUMN_HEADER) && src.sortDirection()) {
+    dst->AddIntAttribute(ui::AX_ATTR_SORT_DIRECTION,
+                         AXSortDirectionFromBlink(src.sortDirection()));
+  }
+
   dst->AddStringAttribute(ui::AX_ATTR_NAME, name);
 
   // Add the ids of *indirect* children - those who are children of this node,
   // but whose parent is *not* this node. One example is a table
   // cell, which is a child of both a row and a column. Because the cell's
   // parent is the row, the row adds it as a child, and the column adds it
   // as an indirect child.
   int child_count = src.childCount();
   for (int i = 0; i < child_count; ++i) {
     WebAXObject child = src.childAt(i);
@@ skipping 31 matching lines @@
     AddIntListAttributeFromWebObjects(ui::AX_ATTR_OWNS_IDS, owns, dst);
 }
 
 blink::WebDocument BlinkAXTreeSource::GetMainDocument() const {
   if (render_frame_ && render_frame_->GetWebFrame())
     return render_frame_->GetWebFrame()->document();
   return WebDocument();
 }
 
 }  // namespace content