Standardize usage of virtual/override/final in mojo/

mojo/public/cpp/bindings/lib/connector.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 MOJO_PUBLIC_CPP_BINDINGS_LIB_CONNECTOR_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_CONNECTOR_H_
 
 #include "mojo/public/c/environment/async_waiter.h"
 #include "mojo/public/cpp/bindings/lib/message_queue.h"
 #include "mojo/public/cpp/bindings/message.h"
@@ skipping 11 matching lines @@
 // MessageReceiver interface assigned as its incoming receiver.
 //
 // NOTE: MessagePipe I/O is non-blocking.
 //
 class Connector : public MessageReceiver {
  public:
   // The Connector takes ownership of |message_pipe|.
   explicit Connector(
       ScopedMessagePipeHandle message_pipe,
       const MojoAsyncWaiter* waiter = Environment::GetDefaultAsyncWaiter());
-  virtual ~Connector();
+  ~Connector() override;
 
   // Sets the receiver to handle messages read from the message pipe.  The
   // Connector will read messages from the pipe regardless of whether or not an
   // incoming receiver has been set.
   void set_incoming_receiver(MessageReceiver* receiver) {
     incoming_receiver_ = receiver;
   }
 
   // Errors from incoming receivers will force the connector into an error
   // state, where no more messages will be processed. This method is used
@@ skipping 19 matching lines @@
   // Releases the pipe, not triggering the error state. Connector is put into
   // a quiescent state.
   ScopedMessagePipeHandle PassMessagePipe();
 
   // Waits for the next message on the pipe, blocking until one arrives or an
   // error happens. Returns |true| if a message has been delivered, |false|
   // otherwise.
   bool WaitForIncomingMessage();
 
   // MessageReceiver implementation:
-  virtual bool Accept(Message* message) override;
+  bool Accept(Message* message) override;
 
  private:
   static void CallOnHandleReady(void* closure, MojoResult result);
   void OnHandleReady(MojoResult result);
 
   void WaitToReadMore();
 
   // Returns false if |this| was destroyed during message dispatch.
   MOJO_WARN_UNUSED_RESULT bool ReadSingleMessage(MojoResult* read_result);
 
@@ skipping 21 matching lines @@
   // of dispatching an incoming message.
   bool* destroyed_flag_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(Connector);
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_CONNECTOR_H_