[selectors4] Use common ancestor strategy for :focus-within

third_party/WebKit/Source/core/dom/Node.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
@@ skipping 2352 matching lines @@
 
 HTMLSlotElement* Node::assignedSlotForBinding() {
   // assignedSlot doesn't need to call updateDistribution().
   if (ShadowRoot* root = V1ShadowRootOfParent()) {
     if (root->GetType() == ShadowRootType::kOpen)
       return root->AssignedSlotFor(*this);
   }
   return nullptr;
 }
 
-void Node::SetFocused(bool flag, WebFocusType focus_type) {
+void Node::SetFocused(bool flag,
+                      WebFocusType focus_type,
+                      Node* common_ancestor) {
   GetDocument().UserActionElements().SetFocused(this, flag);
 }
 
 void Node::SetHasFocusWithin(bool flag) {
   GetDocument().UserActionElements().SetHasFocusWithin(this, flag);
 }
 
 void Node::SetActive(bool flag) {
   GetDocument().UserActionElements().SetActive(this, flag);
 }
@@ skipping 179 matching lines @@
   if (node) {
     std::stringstream stream;
     node->PrintNodePathTo(stream);
     LOG(INFO) << stream.str();
   } else {
     LOG(INFO) << "Cannot showNodePath for <null>";
   }
 }
 
 #endif