Move Singleton and related structs to namespace base

remoting/host/win/host_service.cc

 // Copyright (c) 2012 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.
 //
 // This file implements the Windows service controlling Me2Me host processes
 // running within user sessions.
 
 #include "remoting/host/win/host_service.h"
 
 #include <sddl.h>
@@ skipping 44 matching lines @@
 
 // Appended to |kComProcessSd| to specify that only callers running at medium or
 // higher integrity level are allowed to call COM methods exposed by the daemon.
 const wchar_t kComProcessMandatoryLabel[] =
     SDDL_SACL L":"
     SDDL_ACE(SDDL_MANDATORY_LABEL, SDDL_NO_EXECUTE_UP, SDDL_ML_MEDIUM);
 
 }  // namespace
 
 HostService* HostService::GetInstance() {
-  return Singleton<HostService>::get();
+  return base::Singleton<HostService>::get();
 }
 
 bool HostService::InitWithCommandLine(const base::CommandLine* command_line) {
   base::CommandLine::StringVector args = command_line->GetArgs();
   if (!args.empty()) {
     LOG(ERROR) << "No positional parameters expected.";
     return false;
   }
 
   // Run interactively if needed.
@@ skipping 358 matching lines @@
 int DaemonProcessMain() {
   HostService* service = HostService::GetInstance();
   if (!service->InitWithCommandLine(base::CommandLine::ForCurrentProcess())) {
     return kUsageExitCode;
   }
 
   return service->Run();
 }
 
 }  // namespace remoting