Set plugin focus by implementing HTMLPlugInElement::SetFocused.

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

 /*
  * 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, 2009, 2010, 2011, 2013 Apple Inc. All
  * rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 12 matching lines @@
  */
 
 #ifndef ContainerNode_h
 #define ContainerNode_h
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptWrappableVisitor.h"
 #include "core/CoreExport.h"
 #include "core/dom/Node.h"
 #include "core/html/CollectionType.h"
+#include "public/platform/WebFocusType.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class ClassCollection;
 class ExceptionState;
 class FloatPoint;
 class HTMLCollection;
 class NameNodeList;
 using StaticElementList = StaticNodeTypeList<Element>;
@@ skipping 86 matching lines @@
   void ParserTakeAllChildrenFrom(ContainerNode&);
 
   void RemoveChildren(
       SubtreeModificationAction = kDispatchSubtreeModifiedEvent);
 
   void CloneChildNodes(ContainerNode* clone);
 
   void AttachLayoutTree(const AttachContext& = AttachContext()) override;
   void DetachLayoutTree(const AttachContext& = AttachContext()) override;
   LayoutRect BoundingBox() const final;
-  void SetFocused(bool) override;
+  void SetFocused(bool, WebFocusType) override;
   void FocusStateChanged();
   void SetActive(bool = true) override;
   void SetDragged(bool) override;
   void SetHovered(bool = true) override;
 
   bool ChildrenOrSiblingsAffectedByFocus() const {
     return HasRestyleFlag(kChildrenOrSiblingsAffectedByFocus);
   }
   void SetChildrenOrSiblingsAffectedByFocus() {
     SetRestyleFlag(kChildrenOrSiblingsAffectedByFocus);
@@ skipping 324 matching lines @@
 
 inline void GetChildNodes(ContainerNode& node, NodeVector& nodes) {
   DCHECK(!nodes.size());
   for (Node* child = node.FirstChild(); child; child = child->nextSibling())
     nodes.push_back(child);
 }
 
 }  // namespace blink
 
 #endif  // ContainerNode_h