Delay instantiating InputDeviceCapabilities until accessed.

third_party/WebKit/Source/core/dom/Element.cpp

Index: third_party/WebKit/Source/core/dom/Element.cpp
diff --git a/third_party/WebKit/Source/core/dom/Element.cpp b/third_party/WebKit/Source/core/dom/Element.cpp
index 2fde2c526802721659102806ad693fc66f3f70b6..ef1654c3f4ff0cb6ee2f6c501e3c412d4c5ad7e8 100644
--- a/third_party/WebKit/Source/core/dom/Element.cpp
+++ b/third_party/WebKit/Source/core/dom/Element.cpp
@@ -2658,7 +2658,8 @@ void Element::focus(const FocusParams& params) {
             *this);
     if (found && isShadowIncludingInclusiveAncestorOf(found)) {
       found->focus(FocusParams(SelectionBehaviorOnFocus::Reset,
-                               WebFocusTypeForward, nullptr));
+                               WebFocusTypeForward,
+                               InputDeviceCapabilities::Null));
       return;
     }
   }
@@ -2785,17 +2786,19 @@ Element* Element::adjustedFocusedElementInTreeScope() const {
                          : nullptr;
 }
 
-void Element::dispatchFocusEvent(Element* oldFocusedElement,
-                                 WebFocusType type,
-                                 InputDeviceCapabilities* sourceCapabilities) {
+void Element::dispatchFocusEvent(
+    Element* oldFocusedElement,
+    WebFocusType type,
+    const InputDeviceCapabilitiesValue& sourceCapabilities) {
   dispatchEvent(FocusEvent::create(EventTypeNames::focus, false, false,
                                    document().domWindow(), 0, oldFocusedElement,
                                    sourceCapabilities));
 }
 
-void Element::dispatchBlurEvent(Element* newFocusedElement,
-                                WebFocusType type,
-                                InputDeviceCapabilities* sourceCapabilities) {
+void Element::dispatchBlurEvent(
+    Element* newFocusedElement,
+    WebFocusType type,
+    const InputDeviceCapabilitiesValue& sourceCapabilities) {
   dispatchEvent(FocusEvent::create(EventTypeNames::blur, false, false,
                                    document().domWindow(), 0, newFocusedElement,
                                    sourceCapabilities));
@@ -2805,7 +2808,7 @@ void Element::dispatchFocusInEvent(
     const AtomicString& eventType,
     Element* oldFocusedElement,
     WebFocusType,
-    InputDeviceCapabilities* sourceCapabilities) {
+    const InputDeviceCapabilitiesValue& sourceCapabilities) {
 #if DCHECK_IS_ON()
   DCHECK(!EventDispatchForbiddenScope::isEventDispatchForbidden());
 #endif
@@ -2819,7 +2822,7 @@ void Element::dispatchFocusInEvent(
 void Element::dispatchFocusOutEvent(
     const AtomicString& eventType,
     Element* newFocusedElement,
-    InputDeviceCapabilities* sourceCapabilities) {
+    const InputDeviceCapabilitiesValue& sourceCapabilities) {
 #if DCHECK_IS_ON()
   DCHECK(!EventDispatchForbiddenScope::isEventDispatchForbidden());
 #endif