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

third_party/WebKit/Source/core/html/HTMLInputElement.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.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
@@ skipping 322 matching lines @@
 bool HTMLInputElement::isKeyboardFocusable() const
 {
     return m_inputType->isKeyboardFocusable();
 }
 
 bool HTMLInputElement::shouldShowFocusRingOnMouseFocus() const
 {
     return m_inputType->shouldShowFocusRingOnMouseFocus();
 }
 
-void HTMLInputElement::updateFocusAppearance(bool restorePreviousSelection)
+void HTMLInputElement::updateFocusAppearance(SelectionBehaviorOnFocus selectionBehavior)
 {
     if (isTextField()) {
-        if (!restorePreviousSelection)
+        switch (selectionBehavior) {
+        case SelectionBehaviorOnFocus::Reset:
             select(NotDispatchSelectEvent);
-        else
+            break;
+        case SelectionBehaviorOnFocus::Restore:
             restoreCachedSelection();
+            break;
+        }
         if (document().frame())
             document().frame()->selection().revealSelection();
     } else {
-        HTMLTextFormControlElement::updateFocusAppearance(restorePreviousSelection);
+        HTMLTextFormControlElement::updateFocusAppearance(selectionBehavior);
     }
 }
 
 void HTMLInputElement::beginEditing()
 {
     ASSERT(document().isActive());
     if (!document().isActive())
         return;
 
     if (!isTextField())
@@ skipping 133 matching lines @@
         AttributeCollection attributes = attributesWithoutUpdate();
         if (const Attribute* height = attributes.find(heightAttr))
             attributeChanged(heightAttr, height->value());
         if (const Attribute* width = attributes.find(widthAttr))
             attributeChanged(widthAttr, width->value());
         if (const Attribute* align = attributes.find(alignAttr))
             attributeChanged(alignAttr, align->value());
     }
 
     if (document().focusedElement() == this)
-        document().updateFocusAppearanceSoon(true /* restore selection */);
+        document().updateFocusAppearanceSoon(SelectionBehaviorOnFocus::Restore);
 
     setTextAsOfLastFormControlChangeEvent(value());
     setChangedSinceLastFormControlChangeEvent(false);
 
     addToRadioButtonGroup();
 
     setNeedsValidityCheck();
     notifyFormStateChanged();
 }
 
@@ skipping 306 matching lines @@
 }
 
 void HTMLInputElement::attach(const AttachContext& context)
 {
     HTMLTextFormControlElement::attach(context);
 
     m_inputTypeView->startResourceLoading();
     m_inputType->countUsage();
 
     if (document().focusedElement() == this)
-        document().updateFocusAppearanceSoon(true /* restore selection */);
+        document().updateFocusAppearanceSoon(SelectionBehaviorOnFocus::Restore);
 }
 
 void HTMLInputElement::detach(const AttachContext& context)
 {
     HTMLTextFormControlElement::detach(context);
     m_needsToUpdateViewValue = true;
     m_inputTypeView->closePopupView();
 }
 
 String HTMLInputElement::altText() const
@@ skipping 1098 matching lines @@
 void HTMLInputElement::ensurePrimaryContent()
 {
     m_inputTypeView->ensurePrimaryContent();
 }
 
 bool HTMLInputElement::hasFallbackContent() const
 {
     return m_inputTypeView->hasFallbackContent();
 }
 } // namespace