Switch AccessibilityMode to be a bitmap

content/browser/accessibility/cross_platform_accessibility_browsertest.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 <string>
 #include <vector>
 
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/shell/browser/shell.h"
 #include "content/test/accessibility_browser_test_utils.h"
 #include "content/test/content_browser_test.h"
 #include "content/test/content_browser_test_utils.h"
 #include "ui/accessibility/ax_node.h"
+#include "ui/accessibility/ax_tree.h"
 
 #if defined(OS_WIN)
 #include <atlbase.h>
 #include <atlcom.h>
 #include "base/win/scoped_com_initializer.h"
 #include "ui/base/win/atl_module.h"
 #endif
 
 // TODO(dmazzoni): Disabled accessibility tests on Win64. crbug.com/179717
 #if defined(OS_WIN) && defined(ARCH_CPU_X86_64)
@@ skipping 458 matching lines @@
   GURL url(url_str);
   NavigateToURL(shell(), url);
   const ui::AXTree& tree = GetAXTree();
   const ui::AXNode* root = tree.GetRoot();
   ASSERT_EQ(1, root->child_count());
   const ui::AXNode* textbox = root->ChildAtIndex(0);
   EXPECT_EQ(true, GetBoolAttr(textbox, ui::AX_ATTR_CAN_SET_VALUE));
 }
 
 }  // namespace content