Delay instantiating InputDeviceCapabilities until accessed.

third_party/WebKit/Source/core/html/TextControlElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2009, 2010, 2011 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
@@ skipping 152 matching lines @@
   void cacheSelection(unsigned start,
                       unsigned end,
                       TextFieldSelectionDirection direction) {
     DCHECK_LE(start, end);
     m_cachedSelectionStart = start;
     m_cachedSelectionEnd = end;
     m_cachedSelectionDirection = direction;
   }
   static unsigned indexForPosition(HTMLElement* innerEditor, const Position&);
 
-  void dispatchFocusEvent(Element* oldFocusedElement,
-                          WebFocusType,
-                          InputDeviceCapabilities* sourceCapabilities) final;
-  void dispatchBlurEvent(Element* newFocusedElement,
-                         WebFocusType,
-                         InputDeviceCapabilities* sourceCapabilities) final;
+  void dispatchFocusEvent(
+      Element* oldFocusedElement,
+      WebFocusType,
+      const InputDeviceCapabilitiesValue& sourceCapabilities) final;
+  void dispatchBlurEvent(
+      Element* newFocusedElement,
+      WebFocusType,
+      const InputDeviceCapabilitiesValue& sourceCapabilities) final;
   void scheduleSelectEvent();
 
   // Returns true if user-editable value is empty. Used to check placeholder
   // visibility.
   virtual bool isEmptyValue() const = 0;
   // Returns true if suggested value is empty. Used to check placeholder
   // visibility.
   virtual bool isEmptySuggestedValue() const { return true; }
   // Called in dispatchFocusEvent(), after placeholder process, before calling
   // parent's dispatchFocusEvent().
@@ skipping 20 matching lines @@
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(TextControlElement);
 
 TextControlElement* enclosingTextControl(const Position&);
 TextControlElement* enclosingTextControl(const Node*);
 
 }  // namespace blink
 
 #endif