--- a/layout/base/nsDisplayList.cpp
+++ b/layout/base/nsDisplayList.cpp
@@ -1789,17 +1789,17 @@ already_AddRefed<LayerManager> nsDisplay
   if (computeInvalidRect) {
     props = Move(LayerProperties::CloneFrom(layerManager->GetRoot()));
   }
 
   // Clear any ScrollMetadata that may have been set on the root layer on a
   // previous paint. This paint will set new metrics if necessary, and if we
   // don't clear the old one here, we may be left with extra metrics.
   if (Layer* root = layerManager->GetRoot()) {
-      root->SetScrollMetadata(nsTArray<ScrollMetadata>());
+    root->SetScrollMetadata(nsTArray<ScrollMetadata>());
   }
 
   ContainerLayerParameters containerParameters
     (presShell->GetResolution(), presShell->GetResolution());
   RefPtr<ContainerLayer> root = layerBuilder->
     BuildContainerLayerFor(aBuilder, layerManager, frame, nullptr, this,
                            containerParameters, nullptr);