Standardize usage of virtual/override/final in remoting/

remoting/host/in_memory_host_config.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 REMOTING_HOST_IN_MEMORY_HOST_CONFIG_H_
 #define REMOTING_HOST_IN_MEMORY_HOST_CONFIG_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "remoting/host/host_config.h"
 
 namespace base {
 class DictionaryValue;
 }  // namespace base
 
 namespace remoting {
 
 // In-memory host config. Used by unittests.
 class InMemoryHostConfig : public MutableHostConfig,
                            public base::NonThreadSafe {
  public:
   InMemoryHostConfig();
-  virtual ~InMemoryHostConfig();
+  ~InMemoryHostConfig() override;
 
   // MutableHostConfig interface.
-  virtual bool GetString(const std::string& path,
-                         std::string* out_value) const override;
-  virtual bool GetBoolean(const std::string& path,
-                          bool* out_value) const override;
+  bool GetString(const std::string& path,
+                 std::string* out_value) const override;
+  bool GetBoolean(const std::string& path, bool* out_value) const override;
 
-  virtual void SetString(const std::string& path,
-                         const std::string& in_value) override;
-  virtual void SetBoolean(const std::string& path, bool in_value) override;
+  void SetString(const std::string& path, const std::string& in_value) override;
+  void SetBoolean(const std::string& path, bool in_value) override;
 
-  virtual bool CopyFrom(const base::DictionaryValue* dictionary) override;
+  bool CopyFrom(const base::DictionaryValue* dictionary) override;
 
-  virtual bool Save() override;
+  bool Save() override;
 
  protected:
   scoped_ptr<base::DictionaryValue> values_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(InMemoryHostConfig);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_IN_MEMORY_HOST_CONFIG_H_