Prevent coordinate transformation when targeting the root RWHV

content/browser/renderer_host/render_widget_host_view_mac.mm

Index: content/browser/renderer_host/render_widget_host_view_mac.mm
diff --git a/content/browser/renderer_host/render_widget_host_view_mac.mm b/content/browser/renderer_host/render_widget_host_view_mac.mm
index c7a78ff0f1e97c6911bb50254f6b6f8b6c0f6ddc..5bef4d03ad0ff4c71539729b9cb150b3702aecd1 100644
--- a/content/browser/renderer_host/render_widget_host_view_mac.mm
+++ b/content/browser/renderer_host/render_widget_host_view_mac.mm
@@ -1579,6 +1579,11 @@ bool RenderWidgetHostViewMac::TransformPointToCoordSpaceForView(
     const gfx::Point& point,
     RenderWidgetHostViewBase* target_view,
     gfx::Point* transformed_point) {
+  if (target_view == this) {
+    *transformed_point = point;
+    return true;
+  }
+
   return browser_compositor_->GetDelegatedFrameHost()
       ->TransformPointToCoordSpaceForView(point, target_view,
                                           transformed_point);