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

sandbox/win/src/broker_services.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 SANDBOX_WIN_SRC_BROKER_SERVICES_H_
 #define SANDBOX_WIN_SRC_BROKER_SERVICES_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 27 matching lines @@
 // TargetProcess is a friend of BrokerServices where the later manages a
 // collection of the former.
 class BrokerServicesBase final : public BrokerServices,
                                  public SingletonBase<BrokerServicesBase> {
  public:
   BrokerServicesBase();
 
   ~BrokerServicesBase();
 
   // BrokerServices interface.
-  virtual ResultCode Init() override;
-  virtual TargetPolicy* CreatePolicy() override;
-  virtual ResultCode SpawnTarget(const wchar_t* exe_path,
-                                 const wchar_t* command_line,
-                                 TargetPolicy* policy,
-                                 PROCESS_INFORMATION* target) override;
-  virtual ResultCode WaitForAllTargets() override;
-  virtual ResultCode AddTargetPeer(HANDLE peer_process) override;
-  virtual ResultCode InstallAppContainer(const wchar_t* sid,
-                                         const wchar_t* name) override;
-  virtual ResultCode UninstallAppContainer(const wchar_t* sid) override;
+  ResultCode Init() override;
+  TargetPolicy* CreatePolicy() override;
+  ResultCode SpawnTarget(const wchar_t* exe_path,
+                         const wchar_t* command_line,
+                         TargetPolicy* policy,
+                         PROCESS_INFORMATION* target) override;
+  ResultCode WaitForAllTargets() override;
+  ResultCode AddTargetPeer(HANDLE peer_process) override;
+  ResultCode InstallAppContainer(const wchar_t* sid,
+                                 const wchar_t* name) override;
+  ResultCode UninstallAppContainer(const wchar_t* sid) override;
 
   // Checks if the supplied process ID matches one of the broker's active
   // target processes
   // Returns:
   //   true if there is an active target process for this ID, otherwise false.
   bool IsActiveTarget(DWORD process_id);
 
  private:
   // Releases the Job and notifies the associated Policy object to its
   // resources as well.
@@ skipping 40 matching lines @@
   typedef std::map<uint32_t, std::pair<HANDLE, HANDLE>> TokenCacheMap;
   TokenCacheMap token_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(BrokerServicesBase);
 };
 
 }  // namespace sandbox
 
 
 #endif  // SANDBOX_WIN_SRC_BROKER_SERVICES_H_