Move shell service to toplevel shell namespace

services/shell/runner/host/linux_sandbox.h

 // 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.
 
 #ifndef SERVICES_SHELL_RUNNER_HOST_LINUX_SANDBOX_H_
 #define SERVICES_SHELL_RUNNER_HOST_LINUX_SANDBOX_H_
 
 #include <memory>
 
 #include "base/files/scoped_file.h"
 #include "base/macros.h"
 #include "sandbox/linux/bpf_dsl/bpf_dsl.h"
 #include "sandbox/linux/bpf_dsl/policy.h"
 #include "sandbox/linux/syscall_broker/broker_process.h"
 
-namespace mojo {
 namespace shell {
 
 // Encapsulates all tasks related to raising the sandbox for mojo runner.
 class LinuxSandbox {
  public:
   explicit LinuxSandbox(
       const std::vector<sandbox::syscall_broker::BrokerFilePermission>&
           permissions);
   ~LinuxSandbox();
 
@@ skipping 14 matching lines @@
  private:
   bool warmed_up_;
   base::ScopedFD proc_fd_;
   std::unique_ptr<sandbox::syscall_broker::BrokerProcess> broker_;
   std::unique_ptr<sandbox::bpf_dsl::Policy> policy_;
 
   DISALLOW_COPY_AND_ASSIGN(LinuxSandbox);
 };
 
 }  // namespace shell
-}  // namespace mojo
 
 #endif  // SERVICES_SHELL_RUNNER_HOST_LINUX_SANDBOX_H_