Fixed drag and drop into and out of Browser Plugin.

chrome/browser/extensions/extension_test_message_listener.h

Index: chrome/browser/extensions/extension_test_message_listener.h
diff --git a/chrome/browser/extensions/extension_test_message_listener.h b/chrome/browser/extensions/extension_test_message_listener.h
index 1b47ccd41aec8cd3d47f9ab9ab8f2be69e117819..50dac296baeb329fd4efda71a6464b0c2c79e3df 100644
--- a/chrome/browser/extensions/extension_test_message_listener.h
+++ b/chrome/browser/extensions/extension_test_message_listener.h
@@ -7,6 +7,7 @@
 
 #include <string>
 
+#include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ -99,6 +100,8 @@ class ExtensionTestMessageListener : public content::NotificationObserver {
 
   // The function we need to reply to.
   extensions::TestSendMessageFunction* function_;
+
+  base::Closure quit_closure_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TEST_MESSAGE_LISTENER_H_