Deletes mojo::Callback

mojo/public/cpp/bindings/lib/control_message_proxy.h

Index: mojo/public/cpp/bindings/lib/control_message_proxy.h
diff --git a/mojo/public/cpp/bindings/lib/control_message_proxy.h b/mojo/public/cpp/bindings/lib/control_message_proxy.h
index ce20fc8415fbb6b9f09cd3ad8f8f9a2264ee7772..5ec6ddca351e7ce675cb143b3fe0a77c406d2f90 100644
--- a/mojo/public/cpp/bindings/lib/control_message_proxy.h
+++ b/mojo/public/cpp/bindings/lib/control_message_proxy.h
@@ -7,8 +7,8 @@
 
 #include <stdint.h>
 
+#include "base/callback_forward.h"
 #include "base/macros.h"
-#include "mojo/public/cpp/bindings/callback.h"
 #include "mojo/public/cpp/bindings/lib/serialization_context.h"
 
 namespace mojo {
@@ -23,7 +23,7 @@ class ControlMessageProxy {
   // Doesn't take ownership of |receiver|. It must outlive this object.
   explicit ControlMessageProxy(MessageReceiverWithResponder* receiver);
 
-  void QueryVersion(const Callback<void(uint32_t)>& callback);
+  void QueryVersion(const base::Callback<void(uint32_t)>& callback);
   void RequireVersion(uint32_t version);
 
  protected: