Mac Overlays: Add GPU back-pressure

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 1bd03ff243ee6d097a8d3ac0e766240a09d3199e..7eb2a74b70fbe4ebb52710a134b7de143e22b2e5 100644
--- a/ui/views/cocoa/bridged_native_widget.mm
+++ b/ui/views/cocoa/bridged_native_widget.mm
@@ -862,6 +862,10 @@ bool BridgedNativeWidget::AcceleratedWidgetShouldIgnoreBackpressure() const {
   return true;
 }
 
+uint32_t BridgedNativeWidget::AcceleratedWidgetGetDisplayID() const {
+  return 0;
+}
+
 void BridgedNativeWidget::AcceleratedWidgetSwapCompleted(
     const std::vector<ui::LatencyInfo>& latency_info) {
   // Ignore frames arriving "late" for an old size. A frame at the new size