Bug 1298209 - Fix indent. r=mattwoodrow

MozReview-Commit-ID: LGmP20aD0Et

--HG--
extra : rebase_source : 0de3badfef08be3880e5b0896dad17b2092f917a

layout/base/nsDisplayList.cpp

@@ -1794,7 +1794,7 @@ already_AddRefed<LayerManager> nsDisplayList::PaintRoot(nsDisplayListBuilder* aB
   // 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