Update {virtual,override} to follow C++11 style in components.

components/policy/core/common/policy_loader_win.h

 // 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.
 
 #ifndef COMPONENTS_POLICY_CORE_COMMON_POLICY_LOADER_WIN_H_
 #define COMPONENTS_POLICY_CORE_COMMON_POLICY_LOADER_WIN_H_
 
 #include <windows.h>
 #include <userenv.h>
 
@@ skipping 39 matching lines @@
  public:
   // The PReg file name used by GPO.
   static const base::FilePath::CharType kPRegFileName[];
 
   // Passing |gpo_provider| equal nullptr forces all reads to go through the
   // registry.  This is undesirable for Chrome (see crbug.com/259236), but
   // needed for some other use cases (i.e. Chromoting - see crbug.com/460734).
   PolicyLoaderWin(scoped_refptr<base::SequencedTaskRunner> task_runner,
                   const base::string16& chrome_policy_key,
                   AppliedGPOListProvider* gpo_provider);
-  virtual ~PolicyLoaderWin();
+  ~PolicyLoaderWin() override;
 
   // Creates a policy loader that uses the Win API to access GPO.
   static scoped_ptr<PolicyLoaderWin> Create(
       scoped_refptr<base::SequencedTaskRunner> task_runner,
       const base::string16& chrome_policy_key);
 
   // AsyncPolicyLoader implementation.
-  virtual void InitOnBackgroundThread() override;
-  virtual scoped_ptr<PolicyBundle> Load() override;
+  void InitOnBackgroundThread() override;
+  scoped_ptr<PolicyBundle> Load() override;
 
  private:
   // Reads Chrome Policy from a PReg file at the given path and stores the
   // result in |policy|.
   bool ReadPRegFile(const base::FilePath& preg_file,
                     RegistryDict* policy,
                     PolicyLoadStatusSample* status);
 
   // Loads and parses GPO policy in |policy_object_list| for scope |scope|. If
   // successful, stores the result in |policy| and returns true. Returns false
@@ skipping 20 matching lines @@
 
   // Loads 3rd-party policy from |gpo_dict| and merges it into |bundle|.
   void Load3rdPartyPolicy(const RegistryDict* gpo_dict,
                           PolicyScope scope,
                           PolicyBundle* bundle);
 
   // Installs the watchers for the Group Policy update events.
   void SetupWatches();
 
   // ObjectWatcher::Delegate overrides:
-  virtual void OnObjectSignaled(HANDLE object) override;
+  void OnObjectSignaled(HANDLE object) override;
 
   bool is_initialized_;
   const base::string16 chrome_policy_key_;
   class AppliedGPOListProvider* gpo_provider_;
 
   base::WaitableEvent user_policy_changed_event_;
   base::WaitableEvent machine_policy_changed_event_;
   base::win::ObjectWatcher user_policy_watcher_;
   base::win::ObjectWatcher machine_policy_watcher_;
   bool user_policy_watcher_failed_;
   bool machine_policy_watcher_failed_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyLoaderWin);
 };
 
 }  // namespace policy
 
 #endif  // COMPONENTS_POLICY_CORE_COMMON_POLICY_LOADER_WIN_H_