Standardize usage of virtual/override/final in content/browser/

content/browser/mach_broker_mac.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 CONTENT_BROWSER_MACH_BROKER_MAC_H_
 #define CONTENT_BROWSER_MACH_BROKER_MAC_H_
 
 #include <map>
 #include <string>
 
@@ skipping 46 matching lines @@
   // method (and release the lock afterwards).
   void EnsureRunning();
 
   // Adds a placeholder to the map for the given pid with MACH_PORT_NULL.
   // Callers are expected to later update the port with FinalizePid().  Callers
   // MUST acquire the lock given by GetLock() before calling this method (and
   // release the lock afterwards).
   void AddPlaceholderForPid(base::ProcessHandle pid);
 
   // Implement |ProcessMetrics::PortProvider|.
-  virtual mach_port_t TaskForPid(base::ProcessHandle process) const override;
+  mach_port_t TaskForPid(base::ProcessHandle process) const override;
 
   // Implement |BrowserChildProcessObserver|.
-  virtual void BrowserChildProcessHostDisconnected(
+  void BrowserChildProcessHostDisconnected(
       const ChildProcessData& data) override;
-  virtual void BrowserChildProcessCrashed(
-      const ChildProcessData& data) override;
+  void BrowserChildProcessCrashed(const ChildProcessData& data) override;
 
   // Implement |NotificationObserver|.
-  virtual void Observe(int type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) override;
+  void Observe(int type,
+               const NotificationSource& source,
+               const NotificationDetails& details) override;
+
  private:
   friend class MachBrokerTest;
   friend class MachListenerThreadDelegate;
   friend struct DefaultSingletonTraits<MachBroker>;
 
   MachBroker();
-  virtual ~MachBroker();
+  ~MachBroker() override;
 
   // Updates the mapping for |pid| to include the given |mach_info|.  Does
   // nothing if PlaceholderForPid() has not already been called for the given
   // |pid|.  Callers MUST acquire the lock given by GetLock() before calling
   // this method (and release the lock afterwards).
   void FinalizePid(base::ProcessHandle pid, mach_port_t task_port);
 
   // Removes all mappings belonging to |pid| from the broker.
   void InvalidatePid(base::ProcessHandle pid);
 
@@ skipping 16 matching lines @@
 
   // Mutex that guards |mach_map_|.
   mutable base::Lock lock_;
 
   DISALLOW_COPY_AND_ASSIGN(MachBroker);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MACH_BROKER_MAC_H_