Delay instantiating InputDeviceCapabilities until accessed.

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

Index: third_party/WebKit/Source/core/html/HTMLFormControlElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLFormControlElement.h b/third_party/WebKit/Source/core/html/HTMLFormControlElement.h
index f0cb919b2e7114b8daea4891e7dde400ae1d074a..d739163b051da28bad7bd41eb1e01a8b2375f70e 100644
--- a/third_party/WebKit/Source/core/html/HTMLFormControlElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLFormControlElement.h
@@ -153,12 +153,14 @@ class CORE_EXPORT HTMLFormControlElement : public LabelableElement,
   bool isKeyboardFocusable() const override;
   virtual bool shouldShowFocusRingOnMouseFocus() const;
   bool shouldHaveFocusAppearance() const final;
-  void dispatchBlurEvent(Element* newFocusedElement,
-                         WebFocusType,
-                         InputDeviceCapabilities* sourceCapabilities) override;
-  void dispatchFocusEvent(Element* oldFocusedElement,
-                          WebFocusType,
-                          InputDeviceCapabilities* sourceCapabilities) override;
+  void dispatchBlurEvent(
+      Element* newFocusedElement,
+      WebFocusType,
+      const InputDeviceCapabilitiesValue& sourceCapabilities) override;
+  void dispatchFocusEvent(
+      Element* oldFocusedElement,
+      WebFocusType,
+      const InputDeviceCapabilitiesValue& sourceCapabilities) override;
   void willCallDefaultEventHandler(const Event&) final;
 
   void didRecalcStyle() override;