Adjust autofilled property for <search> input and <select> elements.

Source/core/html/shadow/TextControlInnerElements.cpp

 /*
  * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 213 matching lines @@
     RefPtrWillBeRawPtr<HTMLInputElement> input(toHTMLInputElement(shadowHost()));
     if (!input || input->isDisabledOrReadOnly()) {
         if (!event->defaultHandled())
             HTMLDivElement::defaultEventHandler(event);
         return;
     }
 
 
     if (event->type() == EventTypeNames::click && event->isMouseEvent() && toMouseEvent(event)->button() == LeftButton) {
         input->setValueForUser("");
+        input->setAutofilled(false);
         input->onSearch();
         event->setDefaultHandled();
     }
 
     if (!event->defaultHandled())
         HTMLDivElement::defaultEventHandler(event);
 }
 
 bool SearchFieldCancelButtonElement::willRespondToMouseClickEvents()
 {
     const HTMLInputElement* input = toHTMLInputElement(shadowHost());
     if (input && !input->isDisabledOrReadOnly())
         return true;
 
     return HTMLDivElement::willRespondToMouseClickEvents();
 }
 
 }