Move message_pump to base/message_loop.

base/message_loop/message_pump_gtk.h

Index: base/message_loop/message_pump_gtk.h
diff --git a/base/message_pump_gtk.h b/base/message_loop/message_pump_gtk.h
similarity index 91%
rename from base/message_pump_gtk.h
rename to base/message_loop/message_pump_gtk.h
index ba5cff146835442bd47d5cf6c177a0875c4bc7eb..e22e04f971eb040aa7870682a2d57038e0ac6845 100644
--- a/base/message_pump_gtk.h
+++ b/base/message_loop/message_pump_gtk.h
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef BASE_MESSAGE_PUMP_GTK_H_
-#define BASE_MESSAGE_PUMP_GTK_H_
+#ifndef BASE_MESSAGE_LOOP_MESSAGE_PUMP_GTK_H_
+#define BASE_MESSAGE_LOOP_MESSAGE_PUMP_GTK_H_
 
-#include "base/message_pump_glib.h"
+#include "base/message_loop/message_pump_glib.h"
 
 typedef union _GdkEvent GdkEvent;
 typedef struct _XDisplay Display;
@@ -73,4 +73,4 @@ typedef MessagePumpGtk MessagePumpForUI;
 
 }  // namespace base
 
-#endif  // BASE_MESSAGE_PUMP_GTK_H_
+#endif  // BASE_MESSAGE_LOOP_MESSAGE_PUMP_GTK_H_