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

Source/core/html/forms/CheckboxInputType.cpp

Index: Source/core/html/forms/CheckboxInputType.cpp
diff --git a/Source/core/html/forms/CheckboxInputType.cpp b/Source/core/html/forms/CheckboxInputType.cpp
index f7652279ecfa1dbe1b0c52e0349163da4b7b419c..02b92c1c0a8b5c682b1adea27ba94347bc85b939 100644
--- a/Source/core/html/forms/CheckboxInputType.cpp
+++ b/Source/core/html/forms/CheckboxInputType.cpp
@@ -91,6 +91,8 @@ void CheckboxInputType::didDispatchClick(Event* event, const ClickHandlingState&
     if (event->defaultPrevented() || event->defaultHandled()) {
         element().setIndeterminate(state.indeterminate);
         element().setChecked(state.checked);
+    } else {
+        element().dispatchChangeEventIfNeeded(DispatchChangeEvent);
     }
 
     // The work we did in willDispatchClick was default handling.