Set plugin focus by implementing HTMLPlugInElement::SetFocused.

third_party/WebKit/Source/core/html/TextControlElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2009, 2010, 2011 Google 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
@@ skipping 13 matching lines @@
  */
 
 #ifndef TextControlElement_h
 #define TextControlElement_h
 
 #include "base/gtest_prod_util.h"
 #include "core/CoreExport.h"
 #include "core/editing/SelectionTemplate.h"
 #include "core/editing/VisiblePosition.h"
 #include "core/html/HTMLFormControlElementWithState.h"
+#include "public/platform/WebFocusType.h"
 
 namespace blink {
 
 class ExceptionState;
 
 enum TextFieldSelectionDirection {
   kSelectionHasNoDirection,
   kSelectionHasForwardDirection,
   kSelectionHasBackwardDirection
 };
@@ skipping 12 matching lines @@
  public:
   // Common flag for HTMLInputElement::tooLong(),
   // HTMLTextAreaElement::tooLong(),
   // HTMLInputElement::tooShort() and HTMLTextAreaElement::tooShort().
   enum NeedsToCheckDirtyFlag { kCheckDirtyFlag, kIgnoreDirtyFlag };
 
   ~TextControlElement() override;
 
   void ForwardEvent(Event*);
 
-  void SetFocused(bool flag) override;
+  void SetFocused(bool, WebFocusType) override;
 
   // The derived class should return true if placeholder processing is needed.
   virtual bool IsPlaceholderVisible() const = 0;
   virtual void SetPlaceholderVisibility(bool) = 0;
   virtual bool SupportsPlaceholder() const = 0;
   String StrippedPlaceholder() const;
   HTMLElement* PlaceholderElement() const;
   void UpdatePlaceholderVisibility();
 
   VisiblePosition VisiblePositionForIndex(int) const;
@@ skipping 133 matching lines @@
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(TextControlElement);
 
 TextControlElement* EnclosingTextControl(const Position&);
 TextControlElement* EnclosingTextControl(const Node*);
 
 }  // namespace blink
 
 #endif