PoC: Using the toolkit-views fullscreen access bubble on Mac

ui/views/cocoa/bridged_native_widget.mm

Index: ui/views/cocoa/bridged_native_widget.mm
diff --git a/ui/views/cocoa/bridged_native_widget.mm b/ui/views/cocoa/bridged_native_widget.mm
index 24bba74dd91727e12fe250c3c02c4b1145875e10..6c35be015566c444180e662d8915267978a91f6c 100644
--- a/ui/views/cocoa/bridged_native_widget.mm
+++ b/ui/views/cocoa/bridged_native_widget.mm
@@ -428,8 +428,8 @@ void BridgedNativeWidget::SetBounds(const gfx::Rect& new_bounds) {
 
   // A contentRect with zero width or height is a banned practice in ChromeMac,
   // due to unpredictable OSX treatment.
-  DCHECK(!clamped_content_size.IsEmpty())
-      << "Zero-sized windows not supported on Mac";
+  // DCHECK(!clamped_content_size.IsEmpty())
+  //    << "Zero-sized windows not supported on Mac";
 
   if (!window_visible_ && native_widget_mac_->IsWindowModalSheet()) {
     // Window-Modal dialogs (i.e. sheets) are positioned by Cocoa when shown for