Introduce a struct to store arguments of Element::focus().

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003-2011, 2013, 2014 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 69 matching lines @@
     IsInCanvasSubtree = 1 << 2,
     ContainsFullScreenElement = 1 << 3,
     IsInTopLayer = 1 << 4,
     HasPendingResources = 1 << 5,
 
     NumberOfElementFlags = 6, // Required size of bitfield used to store the flags.
 };
 
 enum class ShadowRootType;
 
+enum class SelectionBehaviorOnFocus {
+    Reset,
+    Restore,
+};
+
+struct FocusParams {
+    STACK_ALLOCATED();
+
+    FocusParams() {}
+    FocusParams(SelectionBehaviorOnFocus selection, WebFocusType focusType, InputDeviceCapabilities* capabilities)
+        : selectionBehavior(selection)
+        , type(focusType)
+        , sourceCapabilities(capabilities) {}
+
+    SelectionBehaviorOnFocus selectionBehavior = SelectionBehaviorOnFocus::Restore;
+    WebFocusType type = WebFocusTypeNone;
+    Member<InputDeviceCapabilities> sourceCapabilities = nullptr;
+};
+
 typedef WillBeHeapVector<RefPtrWillBeMember<Attr>> AttrNodeList;
 
 class CORE_EXPORT Element : public ContainerNode {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static PassRefPtrWillBeRawPtr<Element> create(const QualifiedName&, Document*);
     ~Element() override;
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecopy);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(beforecut);
@@ skipping 264 matching lines @@
 
     virtual bool isLiveLink() const { return false; }
     KURL hrefURL() const;
 
     KURL getURLAttribute(const QualifiedName&) const;
     KURL getNonEmptyURLAttribute(const QualifiedName&) const;
 
     virtual const AtomicString imageSourceURL() const;
     virtual Image* imageContents() { return nullptr; }
 
-    virtual void focus(bool restorePreviousSelection = true, WebFocusType = WebFocusTypeNone, InputDeviceCapabilities* sourceCapabilities = nullptr);
-    virtual void updateFocusAppearance(bool restorePreviousSelection);
+    virtual void focus(const FocusParams& = FocusParams());
+    virtual void updateFocusAppearance(SelectionBehaviorOnFocus);
     virtual void blur();
 
     void setDistributeScroll(ScrollStateCallback*, String nativeScrollBehavior);
     void nativeDistributeScroll(ScrollState&);
     void setApplyScroll(ScrollStateCallback*, String nativeScrollBehavior);
     void nativeApplyScroll(ScrollState&);
 
     void callDistributeScroll(ScrollState&);
     void callApplyScroll(ScrollState&);
 
@@ skipping 513 matching lines @@
     static PassRefPtrWillBeRawPtr<T> create(const QualifiedName&, Document&)
 #define DEFINE_ELEMENT_FACTORY_WITH_TAGNAME(T) \
     PassRefPtrWillBeRawPtr<T> T::create(const QualifiedName& tagName, Document& document) \
     { \
         return adoptRefWillBeNoop(new T(tagName, document)); \
     }
 
 } // namespace
 
 #endif // Element_h