No longer need to push bloom filters for layout tree building.

We used to push SelectorFilter for AttachLayoutTree when we did style
resolution there. The test in question used to fail DCHECKs. No longer
necessary for this test.

Change-Id: Icf7d7020d03c15dc446d18469971302915abbe89
Reviewed-on: https://chromium-review.googlesource.com/1218724Reviewed-by: Anders Ruud <andruud@chromium.org>
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Cr-Commit-Position: refs/heads/master@{#590229}

third_party/blink/renderer/core/dom/node_test.cc

@@ -39,8 +39,6 @@ class NodeTest : public EditingTestBase {
     node.LazyReattachIfAttached();
     GetDocument().Lifecycle().AdvanceTo(DocumentLifecycle::kInStyleRecalc);
     GetDocument().GetStyleEngine().RecalcStyle(kNoChange);
-    PushSelectorFilterAncestors(
-        GetDocument().EnsureStyleResolver().GetSelectorFilter(), node);
     ReattachLegacyLayoutObjectList legacy_objects(GetDocument());
     Node::AttachContext context;
     node.ReattachLayoutTree(context);
@@ -67,14 +65,6 @@ class NodeTest : public EditingTestBase {
     second_shadow.AppendChild(class_div);
     return class_div;
   }
-
- private:
-  void PushSelectorFilterAncestors(SelectorFilter& filter, Node& node) {
-    if (Element* parent = FlatTreeTraversal::ParentElement(node)) {
-      PushSelectorFilterAncestors(filter, *parent);
-      filter.PushParent(*parent);
-    }
-  }
 };
 
 TEST_F(NodeTest, canStartSelection) {