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..17a19d42a885ce52a1a4acb4130b0a11b85057e4 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 = ui::AXNodeData();

[tapted, 2017/05/05 05:53:36]

nit: = `ui::AXNodeData();` not required

[Patti Lor, 2017/05/08 00:28:08]

Oops, thanks.

+    data.ClearBitfields();
+    return data;
+  }
   BrowserAccessibility* focused_node = manager->GetFocus();
   return focused_node->GetData();
 }