Add conversion rule for aria-grabbed attributes.

content/browser/accessibility/browser_accessibility_win.cc

 // Copyright (c) 2012 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/browser/accessibility/browser_accessibility_win.h"
 
 #include <UIAutomationClient.h>
 #include <UIAutomationCoreApi.h>
 
 #include "base/strings/string_number_conversions.h"
@@ skipping 2983 matching lines @@
       ia2_role() == IA2_ROLE_TOGGLE_BUTTON) {
     win_attributes_->ia2_attributes.push_back(L"checkable:true");
   }
 
   // Expose live region attributes.
   StringAttributeToIA2(ui::AX_ATTR_LIVE_STATUS, "live");
   StringAttributeToIA2(ui::AX_ATTR_LIVE_RELEVANT, "relevant");
   BoolAttributeToIA2(ui::AX_ATTR_LIVE_ATOMIC, "atomic");
   BoolAttributeToIA2(ui::AX_ATTR_LIVE_BUSY, "busy");
 
+  // Expose aria-grabbed attributes.
+  BoolAttributeToIA2(ui::AX_ATTR_GRABBED, "grabbed");
+
   // Expose container live region attributes.
   StringAttributeToIA2(ui::AX_ATTR_CONTAINER_LIVE_STATUS,
                        "container-live");
   StringAttributeToIA2(ui::AX_ATTR_CONTAINER_LIVE_RELEVANT,
                        "container-relevant");
   BoolAttributeToIA2(ui::AX_ATTR_CONTAINER_LIVE_ATOMIC,
                      "container-atomic");
   BoolAttributeToIA2(ui::AX_ATTR_CONTAINER_LIVE_BUSY,
                      "container-busy");
 
@@ skipping 1023 matching lines @@
     ia2_role = ia_role;
 
   win_attributes_->ia_role = ia_role;
   win_attributes_->ia_state = ia_state;
   win_attributes_->role_name = role_name;
   win_attributes_->ia2_role = ia2_role;
   win_attributes_->ia2_state = ia2_state;
 }
 
 }  // namespace content