Move shell service to toplevel shell namespace

services/shell/runner/host/linux_sandbox.cc

 // Copyright 2015 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/runner/host/linux_sandbox.h"
 
 #include <fcntl.h>
 #include <sys/syscall.h>
 #include <utility>
 
@@ skipping 10 matching lines @@
 #include "sandbox/linux/seccomp-bpf-helpers/syscall_parameters_restrictions.h"
 #include "sandbox/linux/seccomp-bpf-helpers/syscall_sets.h"
 #include "sandbox/linux/seccomp-bpf/sandbox_bpf.h"
 #include "sandbox/linux/services/credentials.h"
 #include "sandbox/linux/services/namespace_sandbox.h"
 #include "sandbox/linux/services/proc_util.h"
 #include "sandbox/linux/services/thread_helpers.h"
 
 using sandbox::syscall_broker::BrokerFilePermission;
 
-namespace mojo {
 namespace shell {
 
 namespace {
 
 intptr_t SandboxSIGSYSHandler(const struct sandbox::arch_seccomp_data& args,
                               void* aux) {
   RAW_CHECK(aux);
   const sandbox::syscall_broker::BrokerProcess* broker_process =
       static_cast<const sandbox::syscall_broker::BrokerProcess*>(aux);
   switch (args.nr) {
@@ skipping 117 matching lines @@
   sandbox::syscall_broker::BrokerProcess* leaked_broker = broker_.release();
   ALLOW_UNUSED_LOCAL(leaked_broker);
   ANNOTATE_LEAKING_OBJECT_PTR(leaked_broker);
 }
 
 void LinuxSandbox::Seal() {
   proc_fd_.reset();
 }
 
 }  // namespace shell
-}  // namespace mojo