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

base/message_loop/message_loop.cc

Index: base/message_loop/message_loop.cc
diff --git a/base/message_loop/message_loop.cc b/base/message_loop/message_loop.cc
index 0364a52710c10696bd74394153d4e6c28307b436..bb724b814f39677a38746287169ffcef5057955a 100644
--- a/base/message_loop/message_loop.cc
+++ b/base/message_loop/message_loop.cc
@@ -221,6 +221,9 @@ MessageLoop::~MessageLoop() {
       WillDestroyCurrentMessageLoop();
   message_loop_proxy_ = NULL;
 
+  // Stop the message pump and free any thread-bound resources.
+  pump_->Shutdown();
+
   // OK, now make it so that no one can find us.
   lazy_tls_ptr.Pointer()->Set(NULL);