Delay instantiating InputDeviceCapabilities until accessed.

third_party/WebKit/Source/core/html/HTMLSelectElement.cpp

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * 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, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
@@ skipping 1032 matching lines @@
       }
     }
   }
 
   notifyFormStateChanged();
 }
 
 void HTMLSelectElement::dispatchFocusEvent(
     Element* oldFocusedElement,
     WebFocusType type,
-    InputDeviceCapabilities* sourceCapabilities) {
+    const InputDeviceCapabilitiesValue& sourceCapabilities) {
   // Save the selection so it can be compared to the new selection when
   // dispatching change events during blur event dispatch.
   if (usesMenuList())
     saveLastSelection();
   HTMLFormControlElementWithState::dispatchFocusEvent(oldFocusedElement, type,
                                                       sourceCapabilities);
 }
 
 void HTMLSelectElement::dispatchBlurEvent(
     Element* newFocusedElement,
     WebFocusType type,
-    InputDeviceCapabilities* sourceCapabilities) {
+    const InputDeviceCapabilitiesValue& sourceCapabilities) {
   m_typeAhead.resetSession();
   // We only need to fire change events here for menu lists, because we fire
   // change events for list boxes whenever the selection change is actually
   // made.  This matches other browsers' behavior.
   if (usesMenuList())
     dispatchInputAndChangeEventForMenuList();
   m_lastOnChangeSelection.clear();
   if (popupIsVisible())
     hidePopup();
   HTMLFormControlElementWithState::dispatchBlurEvent(newFocusedElement, type,
@@ skipping 268 matching lines @@
       if (form())
         form()->submitImplicitly(event, false);
       dispatchInputAndChangeEventForMenuList();
       event->setDefaultHandled();
     }
   }
 
   if (event->type() == EventTypeNames::mousedown && event->isMouseEvent() &&
       toMouseEvent(event)->button() ==
           static_cast<short>(WebPointerProperties::Button::Left)) {
-    InputDeviceCapabilities* sourceCapabilities =
-        document().domWindow()->getInputDeviceCapabilities()->firesTouchEvents(
-            toMouseEvent(event)->fromTouch());
+    InputDeviceCapabilitiesValue sourceCapabilities =
+        InputDeviceCapabilitiesValue(toMouseEvent(event)->fromTouch());
     focus(FocusParams(SelectionBehaviorOnFocus::Restore, WebFocusTypeNone,
                       sourceCapabilities));
     if (layoutObject() && layoutObject()->isMenuList() &&
         !isDisabledFormControl()) {
       if (popupIsVisible()) {
         hidePopup();
       } else {
         // Save the selection so it can be compared to the new selection
         // when we call onChange during selectOption, which gets called
         // from selectOptionByPopup, which gets called after the user
@@ skipping 675 matching lines @@
   m_popupUpdater = nullptr;
 }
 
 void HTMLSelectElement::didMutateSubtree() {
   DCHECK(popupIsVisible());
   DCHECK(m_popup);
   m_popup->updateFromElement(PopupMenu::ByDOMChange);
 }
 
 }  // namespace blink