Call Element::rebuildLayoutTree from Document::updateStyle directly

third_party/WebKit/Source/core/dom/LayoutTreeBuilder.h

Index: third_party/WebKit/Source/core/dom/LayoutTreeBuilder.h
diff --git a/third_party/WebKit/Source/core/dom/LayoutTreeBuilder.h b/third_party/WebKit/Source/core/dom/LayoutTreeBuilder.h
index 158e3618e4f73a4f52273686e6b8518849df6093..432c5b06bfefcaf3b6970f2972352f9f501e44b6 100644
--- a/third_party/WebKit/Source/core/dom/LayoutTreeBuilder.h
+++ b/third_party/WebKit/Source/core/dom/LayoutTreeBuilder.h
@@ -47,7 +47,7 @@ class LayoutTreeBuilder {
   LayoutTreeBuilder(NodeType& node, LayoutObject* layoutObjectParent)
       : m_node(node), m_layoutObjectParent(layoutObjectParent) {
     DCHECK(!node.layoutObject());
-    DCHECK(node.needsAttach());
+    DCHECK(node.needsReattachLayoutTree());
     DCHECK(node.document().inStyleRecalc());
     DCHECK(node.inActiveDocument());
   }
@@ -58,7 +58,7 @@ class LayoutTreeBuilder {
     // Avoid an O(N^2) walk over the children when reattaching all children of a
     // node.
     if (m_layoutObjectParent->node() &&
-        m_layoutObjectParent->node()->needsAttach())
+        m_layoutObjectParent->node()->needsReattachLayoutTree())
       return 0;
 
     return LayoutTreeBuilderTraversal::nextSiblingLayoutObject(*m_node);