Use std::default_delete as the default deleter for scoped_ptr.

ipc/mojo/ipc_channel_mojo.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 "ipc/mojo/ipc_channel_mojo.h"
 
+#include <memory>
+
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/thread_task_runner_handle.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_logging.h"
 #include "ipc/ipc_message_attachment_set.h"
 #include "ipc/ipc_message_macros.h"
 #include "ipc/mojo/client_channel.mojom.h"
@@ skipping 337 matching lines @@
 
 void ChannelMojo::OnBootstrapError() {
   listener_->OnChannelError();
 }
 
 namespace {
 
 // ClosingDeleter calls |CloseWithErrorIfPending| before deleting the
 // |MessagePipeReader|.
 struct ClosingDeleter {
-  typedef base::DefaultDeleter<internal::MessagePipeReader> DefaultType;
+  typedef std::default_delete<internal::MessagePipeReader> DefaultType;
 
   void operator()(internal::MessagePipeReader* ptr) const {
     ptr->CloseWithErrorIfPending();
     delete ptr;
   }
 };
 
 } // namespace
 
 void ChannelMojo::InitMessageReader(mojo::ScopedMessagePipeHandle pipe,
@@ skipping 156 matching lines @@
     if (!ok) {
       LOG(ERROR) << "Failed to add new Mojo handle.";
       return MOJO_RESULT_UNKNOWN;
     }
   }
 
   return MOJO_RESULT_OK;
 }
 
 }  // namespace IPC