Delay instantiating InputDeviceCapabilities until accessed.

third_party/WebKit/Source/core/html/forms/RadioInputType.cpp

 /*
  * Copyright (C) 2005, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 108 matching lines @@
     forward = !(forward);
     HTMLInputElement* nextInputElement = findNextFocusableRadioButtonInGroup(
         toHTMLInputElement(&element()), forward);
     while (nextInputElement) {
       inputElement = nextInputElement;
       nextInputElement =
           findNextFocusableRadioButtonInGroup(nextInputElement, forward);
     }
   }
   if (inputElement) {
-    document.setFocusedElement(inputElement,
-                               FocusParams(SelectionBehaviorOnFocus::Restore,
-                                           WebFocusTypeNone, nullptr));
+    document.setFocusedElement(
+        inputElement,
+        FocusParams(SelectionBehaviorOnFocus::Restore, WebFocusTypeNone,
+                    InputDeviceCapabilities::Null));
     inputElement->dispatchSimulatedClick(event, SendNoEvents);
     event->setDefaultHandled();
     return;
   }
 }
 
 void RadioInputType::handleKeyupEvent(KeyboardEvent* event) {
   const String& key = event->key();
   if (key != " ")
     return;
@@ skipping 92 matching lines @@
                          *inputElement, current->form(), forward)) {
     if (current->form() == inputElement->form() &&
         inputElement->type() == InputTypeNames::radio &&
         inputElement->name() == current->name())
       return inputElement;
   }
   return nullptr;
 }
 
 }  // namespace blink