AX checked state changes

content/renderer/accessibility/blink_ax_tree_source.cc

Index: content/renderer/accessibility/blink_ax_tree_source.cc
diff --git a/content/renderer/accessibility/blink_ax_tree_source.cc b/content/renderer/accessibility/blink_ax_tree_source.cc
index 396a013fc845b728378c9ebaef56e17ff9831d41..7fa20a83cd89050fa8bc6ef369ed9f9755d466e5 100644
--- a/content/renderer/accessibility/blink_ax_tree_source.cc
+++ b/content/renderer/accessibility/blink_ax_tree_source.cc
@@ -421,9 +421,6 @@ void BlinkAXTreeSource::SerializeNode(blink::WebAXObject src,
     dst->AddStringAttribute(ui::AX_ATTR_VALUE, src.stringValue().utf8());
   }
 
-  if (src.isButtonStateMixed())
-    dst->AddBoolAttribute(ui::AX_ATTR_STATE_MIXED, true);
-
   if (src.canSetValueAttribute())
     dst->AddBoolAttribute(ui::AX_ATTR_CAN_SET_VALUE, true);
 
@@ -474,6 +471,12 @@ void BlinkAXTreeSource::SerializeNode(blink::WebAXObject src,
           ui::AX_ATTR_ARIA_INVALID_VALUE, src.ariaInvalidValue().utf8());
     }
 
+    const blink::WebAXCheckedState checkedState = src.checkedState();
+    if (checkedState) {
+      dst->AddIntAttribute(ui::AX_ATTR_CHECKED_STATE,
+                           AXCheckedStateFromBlink(checkedState));
+    }
+
     if (src.textDirection()) {
       dst->AddIntAttribute(ui::AX_ATTR_TEXT_DIRECTION,
                            AXTextDirectionFromBlink(src.textDirection()));