Deletes mojo::Callback

mojo/public/cpp/bindings/interface_ptr.h

Index: mojo/public/cpp/bindings/interface_ptr.h
diff --git a/mojo/public/cpp/bindings/interface_ptr.h b/mojo/public/cpp/bindings/interface_ptr.h
index 7bc8921cd66d55c69205f72faa7b16ec1f499500..d894984993c3a4e075de399f130aa676ca0753d2 100644
--- a/mojo/public/cpp/bindings/interface_ptr.h
+++ b/mojo/public/cpp/bindings/interface_ptr.h
@@ -8,12 +8,12 @@
 #include <stdint.h>
 #include <utility>
 
+#include "base/callback_forward.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
-#include "mojo/public/cpp/bindings/callback.h"
 #include "mojo/public/cpp/bindings/interface_ptr_info.h"
 #include "mojo/public/cpp/bindings/lib/interface_ptr_state.h"
 
@@ -99,7 +99,7 @@ class InterfacePtr {
   // Queries the max version that the remote side supports. On completion, the
   // result will be returned as the input of |callback|. The version number of
   // this interface pointer will also be updated.
-  void QueryVersion(const Callback<void(uint32_t)>& callback) {
+  void QueryVersion(const base::Callback<void(uint32_t)>& callback) {
     internal_state_.QueryVersion(callback);
   }
 
@@ -147,7 +147,7 @@ class InterfacePtr {
   //
   // This method may only be called after the InterfacePtr has been bound to a
   // message pipe.
-  void set_connection_error_handler(const Closure& error_handler) {
+  void set_connection_error_handler(const base::Closure& error_handler) {
     internal_state_.set_connection_error_handler(error_handler);
   }