Delay instantiating InputDeviceCapabilities until accessed.

third_party/WebKit/Source/core/html/TextControlElement.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 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * 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 @@
     return InsertionDone;
   String initialValue = value();
   setTextAsOfLastFormControlChangeEvent(initialValue.isNull() ? emptyString
                                                               : initialValue);
   return InsertionDone;
 }
 
 void TextControlElement::dispatchFocusEvent(
     Element* oldFocusedElement,
     WebFocusType type,
-    InputDeviceCapabilities* sourceCapabilities) {
+    const InputDeviceCapabilitiesValue& sourceCapabilities) {
   if (supportsPlaceholder())
     updatePlaceholderVisibility();
   handleFocusEvent(oldFocusedElement, type);
   HTMLFormControlElementWithState::dispatchFocusEvent(oldFocusedElement, type,
                                                       sourceCapabilities);
 }
 
 void TextControlElement::dispatchBlurEvent(
     Element* newFocusedElement,
     WebFocusType type,
-    InputDeviceCapabilities* sourceCapabilities) {
+    const InputDeviceCapabilitiesValue& sourceCapabilities) {
   if (supportsPlaceholder())
     updatePlaceholderVisibility();
   handleBlurEvent();
   HTMLFormControlElementWithState::dispatchBlurEvent(newFocusedElement, type,
                                                      sourceCapabilities);
 }
 
 void TextControlElement::defaultEventHandler(Event* event) {
   if (event->type() == EventTypeNames::webkitEditableContentChanged &&
       layoutObject() && layoutObject()->isTextControl()) {
@@ skipping 80 matching lines @@
 }
 
 void TextControlElement::setSelectionDirection(const String& direction) {
   setSelectionRangeForBinding(selectionStart(), selectionEnd(), direction);
 }
 
 void TextControlElement::select() {
   setSelectionRangeForBinding(0, std::numeric_limits<unsigned>::max());
   // Avoid SelectionBehaviorOnFocus::Restore, which scrolls containers to show
   // the selection.
-  focus(FocusParams(SelectionBehaviorOnFocus::None, WebFocusTypeNone, nullptr));
+  focus(FocusParams(SelectionBehaviorOnFocus::None, WebFocusTypeNone,
+                    InputDeviceCapabilities::Null));
   restoreCachedSelection();
 }
 
 void TextControlElement::setChangedSinceLastFormControlChangeEvent(
     bool changed) {
   m_wasChangedSinceLastFormControlChangeEvent = changed;
 }
 
 void TextControlElement::setFocused(bool flag) {
   HTMLFormControlElementWithState::setFocused(flag);
@@ skipping 684 matching lines @@
 
 void TextControlElement::copyNonAttributePropertiesFromElement(
     const Element& source) {
   const TextControlElement& sourceElement =
       static_cast<const TextControlElement&>(source);
   m_lastChangeWasUserEdit = sourceElement.m_lastChangeWasUserEdit;
   HTMLFormControlElement::copyNonAttributePropertiesFromElement(source);
 }
 
 }  // namespace blink