Update {virtual,override,final} to follow C++11 style in components, round 2.

components/pairing/shark_connection_listener.h

Index: components/pairing/shark_connection_listener.h
diff --git a/components/pairing/shark_connection_listener.h b/components/pairing/shark_connection_listener.h
index e2f9b06ee3247c370ee3e5ad8e8103f2dcd804b7..98a7829417b823c1437d1c0d914416a3f79720fb 100644
--- a/components/pairing/shark_connection_listener.h
+++ b/components/pairing/shark_connection_listener.h
@@ -23,19 +23,19 @@ class SharkConnectionListener : public HostPairingController::Observer {
       OnConnectedCallback;
 
   explicit SharkConnectionListener(OnConnectedCallback callback);
-  virtual ~SharkConnectionListener();
+  ~SharkConnectionListener() override;
 
  private:
   typedef HostPairingController::Stage Stage;
 
   // HostPairingController::Observer overrides:
-  virtual void PairingStageChanged(Stage new_stage) override;
-  virtual void ConfigureHost(bool accepted_eula,
-                             const std::string& lang,
-                             const std::string& timezone,
-                             bool send_reports,
-                             const std::string& keyboard_layout) override;
-  virtual void EnrollHost(const std::string& auth_token) override;
+  void PairingStageChanged(Stage new_stage) override;
+  void ConfigureHost(bool accepted_eula,
+                     const std::string& lang,
+                     const std::string& timezone,
+                     bool send_reports,
+                     const std::string& keyboard_layout) override;
+  void EnrollHost(const std::string& auth_token) override;
 
   OnConnectedCallback callback_;
   scoped_ptr<HostPairingController> controller_;