A11y: Add/refactor methods for manipulating bitfields on AXNodeData.

content/browser/accessibility/browser_accessibility.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.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <iterator>
@@ skipping 874 matching lines @@
   if (GetIntAttribute(ui::AX_ATTR_TABLE_CELL_ROW_SPAN, &row_span))
     return row_span;
   return 1;
 }
 
 base::string16 BrowserAccessibility::GetText() const {
   return GetInnerText();
 }
 
 bool BrowserAccessibility::HasState(ui::AXState state_enum) const {
-  return (GetState() >> state_enum) & 1;
+  return GetData().HasState(state_enum);
 }
 
 bool BrowserAccessibility::IsCellOrTableHeaderRole() const {
   return (GetRole() == ui::AX_ROLE_CELL ||
           GetRole() == ui::AX_ROLE_COLUMN_HEADER ||
           GetRole() == ui::AX_ROLE_ROW_HEADER);
 }
 
 bool BrowserAccessibility::IsTableLikeRole() const {
   return (GetRole() == ui::AX_ROLE_TABLE ||
@@ skipping 288 matching lines @@
   return gfx::kNullAcceleratedWidget;
 }
 
 bool BrowserAccessibility::AccessibilityPerformAction(
     const ui::AXActionData& data) {
   NOTREACHED();
   return false;
 }
 
 }  // namespace content