Objects with a role of IA2_EMBEDDED_OBJECT should get a role of IA_SYSTEM_GROUPPING because otherwi…

content/browser/accessibility/browser_accessibility_win.cc

Index: content/browser/accessibility/browser_accessibility_win.cc
diff --git a/content/browser/accessibility/browser_accessibility_win.cc b/content/browser/accessibility/browser_accessibility_win.cc
index 2e3d24f90c880afd4c89815b1c4f449e27041fc3..1693c3312153ca7bbb27a259b7045663c2a7b20d 100644
--- a/content/browser/accessibility/browser_accessibility_win.cc
+++ b/content/browser/accessibility/browser_accessibility_win.cc
@@ -4832,7 +4832,7 @@ void BrowserAccessibilityWin::InitRoleAndState() {
       ia_state |= STATE_SYSTEM_FOCUSABLE;
       break;
     case ui::AX_ROLE_EMBEDDED_OBJECT:
-      if (HasIntAttribute(ui::AX_ATTR_CHILD_TREE_ID)) {
+      if (PlatformChildCount()) {
         // Windows screen readers assume that IA2_ROLE_EMBEDDED_OBJECT
         // doesn't have any children, but it may be something like a
         // browser plugin that has a document inside.