Add early out back to Node::updateDistribution().

Source/core/editing/EditingTestBase.cpp

Index: Source/core/editing/EditingTestBase.cpp
diff --git a/Source/core/editing/EditingTestBase.cpp b/Source/core/editing/EditingTestBase.cpp
index 8e196071ec796dc755033f7c35bdc9369a3dd6e8..4f7fa782d082088d15ad0bd6e89e505fb26fbc50 100644
--- a/Source/core/editing/EditingTestBase.cpp
+++ b/Source/core/editing/EditingTestBase.cpp
@@ -47,7 +47,7 @@ void EditingTestBase::setBodyContent(const char* bodyContent)
 PassRefPtrWillBeRawPtr<ShadowRoot> EditingTestBase::setShadowContent(const char* shadowContent, const char* host)
 {
     RefPtrWillBeRawPtr<ShadowRoot> shadowRoot = createShadowRootForElementWithIDAndSetInnerHTML(document(), host, shadowContent);
-    document().recalcDistribution();
+    document().updateDistribution();
     return shadowRoot.release();
 }