Delay instantiating InputDeviceCapabilities until accessed.

third_party/WebKit/Source/web/WebFormControlElement.cpp

Index: third_party/WebKit/Source/web/WebFormControlElement.cpp
diff --git a/third_party/WebKit/Source/web/WebFormControlElement.cpp b/third_party/WebKit/Source/web/WebFormControlElement.cpp
index 1e9fd8352546003ee0109ca08d0d8a04794aa9b1..5b6da30014e5780a70ead3d959425e8eb6faabf9 100644
--- a/third_party/WebKit/Source/web/WebFormControlElement.cpp
+++ b/third_party/WebKit/Source/web/WebFormControlElement.cpp
@@ -94,25 +94,29 @@ void WebFormControlElement::setValue(const WebString& value, bool sendEvents) {
 void WebFormControlElement::setAutofillValue(const WebString& value) {
   // The input and change events will be sent in setValue.
   if (isHTMLInputElement(*m_private) || isHTMLTextAreaElement(*m_private)) {
-    if (!focused())
+    if (!focused()) {
       unwrap<Element>()->dispatchFocusEvent(nullptr, WebFocusTypeForward,
-                                            nullptr);
+                                            InputDeviceCapabilities::Null);
+    }
     unwrap<Element>()->dispatchScopedEvent(
         Event::createBubble(EventTypeNames::keydown));
     unwrap<TextControlElement>()->setValue(value, DispatchInputAndChangeEvent);
     unwrap<Element>()->dispatchScopedEvent(
         Event::createBubble(EventTypeNames::keyup));
-    if (!focused())
+    if (!focused()) {
       unwrap<Element>()->dispatchBlurEvent(nullptr, WebFocusTypeForward,
-                                           nullptr);
+                                           InputDeviceCapabilities::Null);
+    }
   } else if (isHTMLSelectElement(*m_private)) {
-    if (!focused())
+    if (!focused()) {
       unwrap<Element>()->dispatchFocusEvent(nullptr, WebFocusTypeForward,
-                                            nullptr);
+                                            InputDeviceCapabilities::Null);
+    }
     unwrap<HTMLSelectElement>()->setValue(value, true);
-    if (!focused())
+    if (!focused()) {
       unwrap<Element>()->dispatchBlurEvent(nullptr, WebFocusTypeForward,
-                                           nullptr);
+                                           InputDeviceCapabilities::Null);
+    }
   }
 }