compositor: Fix texture flipping for SW mirroring with surfaceless

ui/compositor/layer.cc

Index: ui/compositor/layer.cc
diff --git a/ui/compositor/layer.cc b/ui/compositor/layer.cc
index 947cf6241dbf4adb4fe0e3ea67d2c15a60f9bd02..537e4550764562e8ab276f60fc86c20cec9fc61b 100644
--- a/ui/compositor/layer.cc
+++ b/ui/compositor/layer.cc
@@ -557,6 +557,16 @@ void Layer::SetTextureSize(gfx::Size texture_size_in_dip) {
   texture_layer_->SetNeedsDisplay();
 }
 
+void Layer::SetTextureFlipped(bool flipped) {
+  DCHECK(texture_layer_.get());
+  texture_layer_->SetFlipped(flipped);
+}
+
+bool Layer::TextureFlipped() const {
+  DCHECK(texture_layer_.get());
+  return texture_layer_->flipped();
+}
+
 void Layer::SetShowDelegatedContent(cc::DelegatedFrameProvider* frame_provider,
                                     gfx::Size frame_size_in_dip) {
   DCHECK(type_ == LAYER_TEXTURED || type_ == LAYER_SOLID_COLOR);