Move Singleton and related structs to namespace base

content/browser/bootstrap_sandbox_mac.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 "content/browser/bootstrap_sandbox_mac.h"
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
@@ skipping 18 matching lines @@
   }
 
   // BrowserChildProcessObserver:
   void BrowserChildProcessHostDisconnected(
       const ChildProcessData& data) override;
   void BrowserChildProcessCrashed(
       const ChildProcessData& data,
       int exit_code) override;
 
  private:
-  friend struct DefaultSingletonTraits<BootstrapSandboxPolicy>;
+  friend struct base::DefaultSingletonTraits<BootstrapSandboxPolicy>;
   BootstrapSandboxPolicy();
   ~BootstrapSandboxPolicy() override;
 
   void RegisterSandboxPolicies();
 
   scoped_ptr<sandbox::BootstrapSandbox> sandbox_;
 };
 
 BootstrapSandboxPolicy* BootstrapSandboxPolicy::GetInstance() {
-  return Singleton<BootstrapSandboxPolicy>::get();
+  return base::Singleton<BootstrapSandboxPolicy>::get();
 }
 
 void BootstrapSandboxPolicy::BrowserChildProcessHostDisconnected(
       const ChildProcessData& data) {
   sandbox()->ChildDied(data.handle);
 }
 
 void BootstrapSandboxPolicy::BrowserChildProcessCrashed(
       const ChildProcessData& data,
       int exit_code) {
@@ skipping 19 matching lines @@
 bool ShouldEnableBootstrapSandbox() {
   // TODO(rsesek): Re-enable when crbug.com/501128 is fixed.
   return false;
 }
 
 sandbox::BootstrapSandbox* GetBootstrapSandbox() {
   return BootstrapSandboxPolicy::GetInstance()->sandbox();
 }
 
 }  // namespace content