[Autofill] Send events to fields being autofilled.

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

Index: third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp b/third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp
index a970f5084675c74e4c00fa0b891628d1b2c18531..6de10b4eca26aa83d05932b10cc159c9a55114eb 100644
--- a/third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLFormControlElement.cpp
@@ -344,6 +344,16 @@ void HTMLFormControlElement::dispatchFormControlInputEvent()
     HTMLElement::dispatchInputEvent();
 }
 
+void HTMLFormControlElement::dispatchKeyDownEvent()
+{
+    dispatchScopedEvent(Event::createBubble(EventTypeNames::keydown));
+}
+
+void HTMLFormControlElement::dispatchKeyUpEvent()
+{
+    dispatchScopedEvent(Event::createBubble(EventTypeNames::keyup));
+}
+
 HTMLFormElement* HTMLFormControlElement::formOwner() const
 {
     return FormAssociatedElement::form();