Make sure that the UI window created by base::MessagePumpForUI is destoyed on the same thread (Wind…

base/message_pump_android.cc

Index: base/message_pump_android.cc
diff --git a/base/message_pump_android.cc b/base/message_pump_android.cc
index f02da67ef7184ef470868cb3f11407bd3547ebbc..33266545b74da1415acc81edbf10dd051b698c61 100644
--- a/base/message_pump_android.cc
+++ b/base/message_pump_android.cc
@@ -131,6 +131,9 @@ void MessagePumpForUI::ScheduleDelayedWork(const TimeTicks& delayed_work_time) {
       g_system_message_handler_obj.Get().obj(), millis);
 }
 
+void MessagePumpForUI::Shutdown() {
+}
+
 // static
 bool MessagePumpForUI::RegisterBindings(JNIEnv* env) {
   return RegisterNativesImpl(env);