rwh->CopyFromBackingStore -> rwh->GetView()->CopyFromSurface
rwh->CopyFromBackingStore -> rwh->GetView()->CopyFromSurface

See https://chromium.googlesource.com/chromium/src.git/+/515321aa08c29e910a720af8b3752ab52826df22%5E%21/

brave/muon,brave/electron,brave/muon,brave/muon,brave/electron,brave/muon,brave/electron,brave/electron,brave/electron,brave/electron,brave/muon,brave/muon