Bug 1816139 - In HeadlessWidget for default focus, check WindowType::TopLevel instead of mTopLevel. r=karlt

webrtcLegacyIndicator is a parentless window of type Popup, but should not
receive focus by default.

Differential Revision: https://phabricator.services.mozilla.com/D169787

widget/headless/HeadlessWidget.cpp

@@ -156,7 +156,8 @@ void HeadlessWidget::GetCompositorWidgetInitData(
 nsIWidget* HeadlessWidget::GetTopLevelWidget() { return mTopLevel; }
 
 void HeadlessWidget::RaiseWindow() {
-  MOZ_ASSERT(mTopLevel == this || mWindowType == WindowType::Dialog ||
+  MOZ_ASSERT(mWindowType == WindowType::TopLevel ||
+                 mWindowType == WindowType::Dialog ||
                  mWindowType == WindowType::Sheet,
              "Raising a non-toplevel window.");
 
@@ -195,8 +196,9 @@ void HeadlessWidget::Show(bool aState) {
   LOG(("HeadlessWidget::Show [%p] state %d\n", (void*)this, aState));
 
   // Top-level window and dialogs are activated/raised when shown.
-  if (aState && (mTopLevel == this || mWindowType == WindowType::Dialog ||
-                 mWindowType == WindowType::Sheet)) {
+  if (aState &&
+      (mWindowType == WindowType::TopLevel ||
+       mWindowType == WindowType::Dialog || mWindowType == WindowType::Sheet)) {
     RaiseWindow();
   }