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

ppapi/proxy/tcp_socket_private_resource.h

Index: ppapi/proxy/tcp_socket_private_resource.h
diff --git a/ppapi/proxy/tcp_socket_private_resource.h b/ppapi/proxy/tcp_socket_private_resource.h
index 9c0b1823c590f2fd3f8b79291558179b42a755fb..bbc5b1cc7daab0331157b97dc2eba4b2f4563084 100644
--- a/ppapi/proxy/tcp_socket_private_resource.h
+++ b/ppapi/proxy/tcp_socket_private_resource.h
@@ -27,40 +27,40 @@ class PPAPI_PROXY_EXPORT TCPSocketPrivateResource
                            const PP_NetAddress_Private& local_addr,
                            const PP_NetAddress_Private& remote_addr);
 
-  virtual ~TCPSocketPrivateResource();
+  ~TCPSocketPrivateResource() override;
 
   // PluginResource overrides.
-  virtual PPB_TCPSocket_Private_API* AsPPB_TCPSocket_Private_API() override;
+  PPB_TCPSocket_Private_API* AsPPB_TCPSocket_Private_API() override;
 
   // PPB_TCPSocket_Private_API implementation.
-  virtual int32_t Connect(const char* host,
-                          uint16_t port,
-                          scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t ConnectWithNetAddress(
+  int32_t Connect(const char* host,
+                  uint16_t port,
+                  scoped_refptr<TrackedCallback> callback) override;
+  int32_t ConnectWithNetAddress(
       const PP_NetAddress_Private* addr,
       scoped_refptr<TrackedCallback> callback) override;
-  virtual PP_Bool GetLocalAddress(PP_NetAddress_Private* local_addr) override;
-  virtual PP_Bool GetRemoteAddress(PP_NetAddress_Private* remote_addr) override;
-  virtual int32_t SSLHandshake(
+  PP_Bool GetLocalAddress(PP_NetAddress_Private* local_addr) override;
+  PP_Bool GetRemoteAddress(PP_NetAddress_Private* remote_addr) override;
+  int32_t SSLHandshake(
       const char* server_name,
       uint16_t server_port,
       scoped_refptr<TrackedCallback> callback) override;
-  virtual PP_Resource GetServerCertificate() override;
-  virtual PP_Bool AddChainBuildingCertificate(PP_Resource certificate,
-                                              PP_Bool trusted) override;
-  virtual int32_t Read(char* buffer,
-                      int32_t bytes_to_read,
-                      scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t Write(const char* buffer,
-                        int32_t bytes_to_write,
-                        scoped_refptr<TrackedCallback> callback) override;
-  virtual void Disconnect() override;
-  virtual int32_t SetOption(PP_TCPSocketOption_Private name,
-                            const PP_Var& value,
-                            scoped_refptr<TrackedCallback> callback) override;
+  PP_Resource GetServerCertificate() override;
+  PP_Bool AddChainBuildingCertificate(PP_Resource certificate,
+                                      PP_Bool trusted) override;
+  int32_t Read(char* buffer,
+               int32_t bytes_to_read,
+               scoped_refptr<TrackedCallback> callback) override;
+  int32_t Write(const char* buffer,
+                int32_t bytes_to_write,
+                scoped_refptr<TrackedCallback> callback) override;
+  void Disconnect() override;
+  int32_t SetOption(PP_TCPSocketOption_Private name,
+                    const PP_Var& value,
+                    scoped_refptr<TrackedCallback> callback) override;
 
   // TCPSocketResourceBase implementation.
-  virtual PP_Resource CreateAcceptedSocket(
+  PP_Resource CreateAcceptedSocket(
       int pending_host_id,
       const PP_NetAddress_Private& local_addr,
       const PP_NetAddress_Private& remote_addr) override;