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

ppapi/proxy/tcp_socket_resource.h

 // Copyright 2013 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 PPAPI_PROXY_TCP_SOCKET_RESOURCE_H_
 #define PPAPI_PROXY_TCP_SOCKET_RESOURCE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ppapi/proxy/tcp_socket_resource_base.h"
 #include "ppapi/thunk/ppb_tcp_socket_api.h"
 
 namespace ppapi {
 
 enum TCPSocketVersion;
 
 namespace proxy {
 
 class PPAPI_PROXY_EXPORT TCPSocketResource : public thunk::PPB_TCPSocket_API,
                                              public TCPSocketResourceBase {
  public:
   // C-tor used for new sockets created.
   TCPSocketResource(Connection connection,
                     PP_Instance instance,
                     TCPSocketVersion version);
 
-  virtual ~TCPSocketResource();
+  ~TCPSocketResource() override;
 
   // PluginResource overrides.
-  virtual thunk::PPB_TCPSocket_API* AsPPB_TCPSocket_API() override;
+  thunk::PPB_TCPSocket_API* AsPPB_TCPSocket_API() override;
 
   // thunk::PPB_TCPSocket_API implementation.
-  virtual int32_t Bind(PP_Resource addr,
-                       scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t Connect(PP_Resource addr,
-                          scoped_refptr<TrackedCallback> callback) override;
-  virtual PP_Resource GetLocalAddress() override;
-  virtual PP_Resource GetRemoteAddress() 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 int32_t Listen(int32_t backlog,
-                         scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t Accept(PP_Resource* accepted_tcp_socket,
-                         scoped_refptr<TrackedCallback> callback) override;
-  virtual void Close() override;
-  virtual int32_t SetOption1_1(
+  int32_t Bind(PP_Resource addr,
+               scoped_refptr<TrackedCallback> callback) override;
+  int32_t Connect(PP_Resource addr,
+                  scoped_refptr<TrackedCallback> callback) override;
+  PP_Resource GetLocalAddress() override;
+  PP_Resource GetRemoteAddress() 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;
+  int32_t Listen(int32_t backlog,
+                 scoped_refptr<TrackedCallback> callback) override;
+  int32_t Accept(PP_Resource* accepted_tcp_socket,
+                 scoped_refptr<TrackedCallback> callback) override;
+  void Close() override;
+  int32_t SetOption1_1(
       PP_TCPSocket_Option name,
       const PP_Var& value,
       scoped_refptr<TrackedCallback> callback) override;
-  virtual int32_t SetOption(PP_TCPSocket_Option name,
-                            const PP_Var& value,
-                            scoped_refptr<TrackedCallback> callback) override;
+  int32_t SetOption(PP_TCPSocket_Option 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;
 
  private:
   // C-tor used for accepted sockets.
   TCPSocketResource(Connection connection,
                     PP_Instance instance,
                     int pending_host_id,
                     const PP_NetAddress_Private& local_addr,
                     const PP_NetAddress_Private& remote_addr);
 
   DISALLOW_COPY_AND_ASSIGN(TCPSocketResource);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_TCP_SOCKET_RESOURCE_H_