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

third_party/WebKit/Source/core/page/FocusController.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 755 matching lines @@
     }
 
     setFocusedFrame(newDocument.frame());
 
     if (caretBrowsing) {
         Position position = firstPositionInOrBeforeNode(element.get());
         VisibleSelection newSelection(position, position);
         frame->selection().setSelection(newSelection);
     }
 
-    element->focus(false, type, sourceCapabilities);
+    element->focus(FocusParams(SelectionBehaviorOnFocus::Reset, type, sourceCapabilities));
     return true;
 }
 
 Element* FocusController::findFocusableElement(WebFocusType type, Node& node)
 {
     // FIXME: No spacial navigation code yet.
     ASSERT(type == WebFocusTypeForward || type == WebFocusTypeBackward);
     Element* found = findFocusableElementAcrossFocusScopes(type, FocusNavigationScope::focusNavigationScopeOf(node), &node);
     return found;
 }
@@ skipping 232 matching lines @@
     if (focusCandidate.isOffscreenAfterScrolling) {
         Node* container = focusCandidate.enclosingScrollableBox;
         scrollInDirection(container, type);
         return true;
     }
 
     // We found a new focus node, navigate to it.
     Element* element = toElement(focusCandidate.focusableNode);
     ASSERT(element);
 
-    element->focus(false, type);
+    element->focus(FocusParams(SelectionBehaviorOnFocus::Reset, type, nullptr));
     return true;
 }
 
 bool FocusController::advanceFocusDirectionally(WebFocusType type)
 {
     // FIXME: Directional focus changes don't yet work with RemoteFrames.
     if (!focusedOrMainFrame()->isLocalFrame())
         return false;
     LocalFrame* curFrame = toLocalFrame(focusedOrMainFrame());
     ASSERT(curFrame);
@@ skipping 33 matching lines @@
     return consumed;
 }
 
 DEFINE_TRACE(FocusController)
 {
     visitor->trace(m_page);
     visitor->trace(m_focusedFrame);
 }
 
 } // namespace blink