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

content/public/test/browser_test_utils.cc

Index: content/public/test/browser_test_utils.cc
diff --git a/content/public/test/browser_test_utils.cc b/content/public/test/browser_test_utils.cc
index 0864b5a2ae4d89bf797a839f21ec40f8e937e24a..2986a8c1e33a3b2bc058f61096c21f073c558bb7 100644
--- a/content/public/test/browser_test_utils.cc
+++ b/content/public/test/browser_test_utils.cc
@@ -1119,8 +1119,11 @@ ui::AXNodeData GetFocusedAccessibilityNodeInfo(WebContents* web_contents) {
       static_cast<WebContentsImpl*>(web_contents);
   BrowserAccessibilityManager* manager =
       web_contents_impl->GetRootBrowserAccessibilityManager();
-  if (!manager)
-    return ui::AXNodeData();
+  if (!manager) {
+    ui::AXNodeData data;
+    data.Init();
+    return data;
+  }
   BrowserAccessibility* focused_node = manager->GetFocus();
   return focused_node->GetData();
 }