Delay instantiating InputDeviceCapabilities until accessed.

third_party/WebKit/Source/core/events/CompositionEvent.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 24 matching lines @@
 CompositionEvent::CompositionEvent(const AtomicString& type,
                                    AbstractView* view,
                                    const String& data)
     : UIEvent(type,
               true,
               true,
               ComposedMode::Composed,
               TimeTicks::Now(),
               view,
               0,
-              view ? view->getInputDeviceCapabilities()->firesTouchEvents(false)
-                   : nullptr),
+              InputDeviceCapabilities::None),
       m_data(data) {}
 
 CompositionEvent::CompositionEvent(const AtomicString& type,
                                    const CompositionEventInit& initializer)
     : UIEvent(type, initializer) {
   if (initializer.hasData())
     m_data = initializer.data();
 }
 
 CompositionEvent::~CompositionEvent() {}
@@ skipping 13 matching lines @@
 
 const AtomicString& CompositionEvent::interfaceName() const {
   return EventNames::CompositionEvent;
 }
 
 DEFINE_TRACE(CompositionEvent) {
   UIEvent::trace(visitor);
 }
 
 }  // namespace blink