cc: Remove redundant is_overlay arguments

cc/layers/io_surface_layer_impl.cc

Index: cc/layers/io_surface_layer_impl.cc
diff --git a/cc/layers/io_surface_layer_impl.cc b/cc/layers/io_surface_layer_impl.cc
index 902a73d65b07d107132fb8c33fc986c951019532..d7c6cda18751c64762dcdb76484af275836084f3 100644
--- a/cc/layers/io_surface_layer_impl.cc
+++ b/cc/layers/io_surface_layer_impl.cc
@@ -79,14 +79,9 @@ void IOSurfaceLayerImpl::AppendQuads(
 
   IOSurfaceDrawQuad* quad =
       render_pass->CreateAndAppendDrawQuad<IOSurfaceDrawQuad>();
-  quad->SetNew(shared_quad_state,
-               quad_rect,
-               opaque_rect,
-               visible_quad_rect,
-               io_surface_size_,
-               io_surface_resource_id_,
-               IOSurfaceDrawQuad::FLIPPED,
-               false);
+  quad->SetNew(shared_quad_state, quad_rect, opaque_rect, visible_quad_rect,
+               io_surface_size_, io_surface_resource_id_,
+               IOSurfaceDrawQuad::FLIPPED);
   ValidateQuadResources(quad);
 }