Revert of Deletes mojo::Callback

services/shell/public/cpp/lib/connection_impl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "services/shell/public/cpp/lib/connection_impl.h"
 
 #include <stdint.h>
 
 #include <utility>
 
@@ skipping 67 matching lines @@
 
 bool ConnectionImpl::IsPending() const {
   return state_ == State::PENDING;
 }
 
 uint32_t ConnectionImpl::GetRemoteInstanceID() const {
   return remote_id_;
 }
 
 void ConnectionImpl::AddConnectionCompletedClosure(
-    const base::Closure& callback) {
+    const mojo::Closure& callback) {
   if (IsPending())
     connection_completed_callbacks_.push_back(callback);
   else
     callback.Run();
 }
 
 bool ConnectionImpl::AllowsInterface(const std::string& interface_name) const {
   return allow_all_interfaces_ ||
          capability_request_.interfaces.count(interface_name);
 }
@@ skipping 20 matching lines @@
 void ConnectionImpl::OnConnectionCompleted(shell::mojom::ConnectResult result,
                                            mojo::String target_user_id,
                                            uint32_t target_application_id) {
   DCHECK(State::PENDING == state_);
 
   result_ = result;
   state_ = result_ == shell::mojom::ConnectResult::SUCCEEDED ?
       State::CONNECTED : State::DISCONNECTED;
   remote_id_ = target_application_id;
   remote_.set_user_id(target_user_id);
-  std::vector<base::Closure> callbacks;
+  std::vector<mojo::Closure> callbacks;
   callbacks.swap(connection_completed_callbacks_);
   for (auto callback : callbacks)
     callback.Run();
 }
 
 }  // namespace internal
 }  // namespace shell