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

content/browser/accessibility/browser_accessibility_manager_mac.mm

Index: content/browser/accessibility/browser_accessibility_manager_mac.mm
diff --git a/content/browser/accessibility/browser_accessibility_manager_mac.mm b/content/browser/accessibility/browser_accessibility_manager_mac.mm
index b3c484e74f76fd822316cb7657ce62d8876bdcab..f398f40610935e72b6e3b4096e8f2d9144005abb 100644
--- a/content/browser/accessibility/browser_accessibility_manager_mac.mm
+++ b/content/browser/accessibility/browser_accessibility_manager_mac.mm
@@ -133,6 +133,7 @@ BrowserAccessibilityManagerMac::~BrowserAccessibilityManagerMac() {}
 ui::AXTreeUpdate
     BrowserAccessibilityManagerMac::GetEmptyDocument() {
   ui::AXNodeData empty_document;
+  empty_document.ClearBitfields();
   empty_document.id = 0;
   empty_document.role = ui::AX_ROLE_ROOT_WEB_AREA;
   empty_document.state =

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

AddState()?

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

Done.