Implementing blink side of 'invalid' AutocompleteErrorEvent#reason

Source/WebKit/chromium/src/WebFormElement.cpp

Index: Source/WebKit/chromium/src/WebFormElement.cpp
diff --git a/Source/WebKit/chromium/src/WebFormElement.cpp b/Source/WebKit/chromium/src/WebFormElement.cpp
index 4362b2f115c1b434db09ca09528057c48d8c8564..4f5564d00bb681a3fa42764ed6e9fce04e24868a 100644
--- a/Source/WebKit/chromium/src/WebFormElement.cpp
+++ b/Source/WebKit/chromium/src/WebFormElement.cpp
@@ -102,6 +102,11 @@ void WebFormElement::getFormControlElements(WebVector<WebFormControlElement>& re
     result.assign(tempVector);
 }
 
+bool WebFormElement::checkValidityWithoutDispatchingEvents()
+{
+    return unwrap<HTMLFormElement>()->checkValidityWithoutDispatchingEvents();
+}
+
 void WebFormElement::finishRequestAutocomplete(WebFormElement::AutocompleteResult result)
 {
     unwrap<HTMLFormElement>()->finishRequestAutocomplete(static_cast<HTMLFormElement::AutocompleteResult>(result));