Delay instantiating InputDeviceCapabilities until accessed.

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

 /*
  * 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) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 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
@@ skipping 161 matching lines @@
   DECLARE_VIRTUAL_TRACE();
 
  protected:
   explicit HTMLSelectElement(Document&);
 
  private:
   const AtomicString& formControlType() const override;
 
   bool shouldShowFocusRingOnMouseFocus() const override;
 
-  void dispatchFocusEvent(Element* oldFocusedElement,
-                          WebFocusType,
-                          InputDeviceCapabilities* sourceCapabilities) override;
-  void dispatchBlurEvent(Element* newFocusedElement,
-                         WebFocusType,
-                         InputDeviceCapabilities* sourceCapabilities) override;
+  void dispatchFocusEvent(
+      Element* oldFocusedElement,
+      WebFocusType,
+      const InputDeviceCapabilitiesValue& sourceCapabilities) override;
+  void dispatchBlurEvent(
+      Element* newFocusedElement,
+      WebFocusType,
+      const InputDeviceCapabilitiesValue& sourceCapabilities) override;
 
   bool canStartSelection() const override { return false; }
 
   bool isEnumeratable() const override { return true; }
   bool isInteractiveContent() const override;
   bool supportsAutofocus() const override;
   bool supportLabels() const override { return true; }
 
   FormControlState saveFormControlState() const override;
   void restoreFormControlState(const FormControlState&) override;
@@ skipping 106 matching lines @@
 
   FRIEND_TEST_ALL_PREFIXES(HTMLSelectElementTest, FirstSelectableOption);
   FRIEND_TEST_ALL_PREFIXES(HTMLSelectElementTest, LastSelectableOption);
   FRIEND_TEST_ALL_PREFIXES(HTMLSelectElementTest, NextSelectableOption);
   FRIEND_TEST_ALL_PREFIXES(HTMLSelectElementTest, PreviousSelectableOption);
 };
 
 }  // namespace blink
 
 #endif  // HTMLSelectElement_h