diff --git a/ipc/chromium/src/base/message_pump_android.cc b/ipc/chromium/src/base/message_pump_android.cc
index ca1eb17fca6d..0c1ff0e237ac 100644
--- a/ipc/chromium/src/base/message_pump_android.cc
+++ b/ipc/chromium/src/base/message_pump_android.cc
@@ -20,7 +20,8 @@ void NotifyEvent();
 namespace base {
 
 MessagePumpForUI::MessagePumpForUI()
-  : pump(*this)
+  : state_(NULL)
+  , pump(*this)
 {
 }