MacViews a11y: Sync VoiceOver cursor with keyboard focus.

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 b2dff5cf91602e237a02682f2ad1f5baf62a74f6..d4689779fb40d914473722ec306137355fb3100d 100644
--- a/content/browser/accessibility/browser_accessibility_manager_mac.mm
+++ b/content/browser/accessibility/browser_accessibility_manager_mac.mm
@@ -4,15 +4,17 @@
 
 #include "content/browser/accessibility/browser_accessibility_manager_mac.h"
 
+#include "base/logging.h"
 #import "base/mac/mac_util.h"
 #import "base/mac/sdk_forward_declarations.h"
-#include "base/logging.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #import "content/browser/accessibility/browser_accessibility_cocoa.h"
 #import "content/browser/accessibility/browser_accessibility_mac.h"
 #include "content/common/accessibility_messages.h"
 
+#import "tmp-traceclass.h"
+
 namespace {
 
 // Declare undocumented accessibility constants and enums only present in
@@ -186,6 +188,10 @@ void BrowserAccessibilityManagerMac::NotifyAccessibilityEvent(
       break;
     case ui::AX_EVENT_FOCUS:
       mac_notification = NSAccessibilityFocusedUIElementChangedNotification;
+      [Tracer startTraceBrowserAccessibility];
+      NSAccessibilityPostNotification(native_node, mac_notification);
+      [Tracer browserAccessibilityEndTrace];
+      return;

[Patti Lor, 2016/08/04 02:06:26]

With tracing removed, this hunk is deleted.

       break;
     case ui::AX_EVENT_LAYOUT_COMPLETE:
       mac_notification = NSAccessibilityLayoutCompleteNotification;