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

rlz/win/lib/rlz_value_store_registry.h

Index: rlz/win/lib/rlz_value_store_registry.h
diff --git a/rlz/win/lib/rlz_value_store_registry.h b/rlz/win/lib/rlz_value_store_registry.h
index f00dd46069b31993407cb81424c23337dde46c35..d058d668653db2bc631027fff6ed2709b7920a56 100644
--- a/rlz/win/lib/rlz_value_store_registry.h
+++ b/rlz/win/lib/rlz_value_store_registry.h
@@ -15,33 +15,33 @@ class RlzValueStoreRegistry : public RlzValueStore {
  public:
   static std::wstring GetWideLibKeyName();
 
-  virtual bool HasAccess(AccessType type) override;
+  bool HasAccess(AccessType type) override;
 
-  virtual bool WritePingTime(Product product, int64 time) override;
-  virtual bool ReadPingTime(Product product, int64* time) override;
-  virtual bool ClearPingTime(Product product) override;
+  bool WritePingTime(Product product, int64 time) override;
+  bool ReadPingTime(Product product, int64* time) override;
+  bool ClearPingTime(Product product) override;
 
-  virtual bool WriteAccessPointRlz(AccessPoint access_point,
+  bool WriteAccessPointRlz(AccessPoint access_point,
                                    const char* new_rlz) override;
-  virtual bool ReadAccessPointRlz(AccessPoint access_point,
+  bool ReadAccessPointRlz(AccessPoint access_point,
                                   char* rlz,
                                   size_t rlz_size) override;
-  virtual bool ClearAccessPointRlz(AccessPoint access_point) override;
+  bool ClearAccessPointRlz(AccessPoint access_point) override;
 
-  virtual bool AddProductEvent(Product product, const char* event_rlz) override;
-  virtual bool ReadProductEvents(Product product,
+  bool AddProductEvent(Product product, const char* event_rlz) override;
+  bool ReadProductEvents(Product product,
                                  std::vector<std::string>* events) override;
-  virtual bool ClearProductEvent(Product product,
+  bool ClearProductEvent(Product product,
                                  const char* event_rlz) override;
-  virtual bool ClearAllProductEvents(Product product) override;
+  bool ClearAllProductEvents(Product product) override;
 
-  virtual bool AddStatefulEvent(Product product,
+  bool AddStatefulEvent(Product product,
                                 const char* event_rlz) override;
-  virtual bool IsStatefulEvent(Product product,
+  bool IsStatefulEvent(Product product,
                                const char* event_rlz) override;
-  virtual bool ClearAllStatefulEvents(Product product) override;
+  bool ClearAllStatefulEvents(Product product) override;
 
-  virtual void CollectGarbage() override;
+  void CollectGarbage() override;
 
  private:
   RlzValueStoreRegistry() {}