Autofill/rAc: dispatch "input"/"change" on <input>, <textarea>, and <select>

components/autofill/content/renderer/form_autofill_util.cc

Index: components/autofill/content/renderer/form_autofill_util.cc
diff --git a/components/autofill/content/renderer/form_autofill_util.cc b/components/autofill/content/renderer/form_autofill_util.cc
index 995bb06baf509bb79ca337cdb37d5a57230fc5e5..dad2979db1a3e7a88fe12465c0bcb7c9ece0cf48 100644
--- a/components/autofill/content/renderer/form_autofill_util.cc
+++ b/components/autofill/content/renderer/form_autofill_util.cc
@@ -533,19 +533,16 @@ void FillFormField(const FormFieldData& data,
   field->setAutofilled(true);
 
   WebInputElement* input_element = toWebInputElement(field);
-  if (IsTextInput(input_element) || IsMonthInput(input_element)) {
-    // If the maxlength attribute contains a negative value, maxLength()
-    // returns the default maxlength value.
-    input_element->setValue(
-        data.value.substr(0, input_element->maxLength()), true);
-  } else if (IsTextAreaElement(*field) || IsSelectElement(*field)) {
-    if (field->value() != data.value) {
-      field->setValue(data.value);
-      field->dispatchFormControlChangeEvent();
-    }
-  } else {
-    DCHECK(IsCheckableElement(input_element));
+  if (IsCheckableElement(input_element)) {
     input_element->setChecked(data.is_checked, true);
+  } else {
+    base::string16 value = data.value;
+    if (IsTextInput(input_element) || IsMonthInput(input_element)) {
+      // If the maxlength attribute contains a negative value, maxLength()
+      // returns the default maxlength value.
+      value = value.substr(0, input_element->maxLength());
+    }
+    field->setValue(value, true);
   }
 
   if (is_initiating_node &&