Click event should be fired before change events for checkbox and radio button.

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 f7e878c579f31801a00e1909845c39cc771cf4b2..06ed867b1d9bee47eeb37b4c65df78964a671713 100644
--- a/Source/core/html/HTMLInputElement.cpp
+++ b/Source/core/html/HTMLInputElement.cpp
@@ -897,6 +897,12 @@ bool HTMLInputElement::isTextField() const
     return m_inputType->isTextField();
 }
 
+void HTMLInputElement::dispatchChangeEventIfNeeded()
+{
+    if (inDocument() && m_inputType->shouldSendChangeEventAfterCheckedChanged())
+        dispatchFormControlChangeEvent();
+}
+
 void HTMLInputElement::setChecked(bool nowChecked, TextFieldEventBehavior eventBehavior)
 {
     if (checked() == nowChecked)
@@ -930,7 +936,6 @@ void HTMLInputElement::setChecked(bool nowChecked, TextFieldEventBehavior eventB
         setTextAsOfLastFormControlChangeEvent(String());
         if (eventBehavior == DispatchInputAndChangeEvent)
             dispatchFormControlInputEvent();
-        dispatchFormControlChangeEvent();
     }
 
     pseudoStateChanged(CSSSelector::PseudoChecked);