Autofill/rAc: dispatch "input" events when changing text contents of <textarea>,

Source/core/html/HTMLInputElement.cpp

Index: Source/core/html/HTMLInputElement.cpp
diff --git a/Source/core/html/HTMLInputElement.cpp b/Source/core/html/HTMLInputElement.cpp
index 53526f27867af0be1eb798fe217be25a152efd8b..637c99977a46e3c9d22af158fad619cc95a797e4 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -883,6 +883,8 @@ void HTMLInputElement::setChecked(bool nowChecked, TextFieldEventBehavior eventB
     // definitely wrong in practice for these types of elements.
     if (eventBehavior != DispatchNoEvent && inDocument() && m_inputType->shouldSendChangeEventAfterCheckedChanged()) {
         setTextAsOfLastFormControlChangeEvent(String());
+        if (eventBehavior == DispatchInputAndChangeEvent)
+            dispatchFormControlInputEvent();

[tkent, 2014/03/28 01:50:33]

Looks dangerous.  An 'input' event handler can delete |this|.  Please add
"RefPtr<HTMLInputElement> protector(this)" to this function.

[Dan Beam, 2014/03/28 04:50:57]

Done.

         dispatchFormControlChangeEvent();
     }