Standardize usage of virtual/override/final in mojo/

mojo/public/cpp/bindings/tests/connector_unittest.cc

 // 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.
 
 #include <stdlib.h>
 #include <string.h>
 
 #include "mojo/public/cpp/bindings/lib/connector.h"
 #include "mojo/public/cpp/bindings/lib/message_builder.h"
 #include "mojo/public/cpp/bindings/lib/message_queue.h"
 #include "mojo/public/cpp/environment/environment.h"
 #include "mojo/public/cpp/system/macros.h"
 #include "mojo/public/cpp/utility/run_loop.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace test {
 namespace {
 
 class MessageAccumulator : public MessageReceiver {
  public:
   MessageAccumulator() {}
 
-  virtual bool Accept(Message* message) override {
+  bool Accept(Message* message) override {
     queue_.Push(message);
     return true;
   }
 
   bool IsEmpty() const { return queue_.IsEmpty(); }
 
   void Pop(Message* message) { queue_.Pop(message); }
 
  private:
   internal::MessageQueue queue_;
 };
 
 class ConnectorDeletingMessageAccumulator : public MessageAccumulator {
  public:
   ConnectorDeletingMessageAccumulator(internal::Connector** connector)
       : connector_(connector) {}
 
-  virtual bool Accept(Message* message) override {
+  bool Accept(Message* message) override {
     delete *connector_;
     *connector_ = 0;
     return MessageAccumulator::Accept(message);
   }
 
  private:
   internal::Connector** connector_;
 };
 
 class ReentrantMessageAccumulator : public MessageAccumulator {
  public:
   ReentrantMessageAccumulator(internal::Connector* connector)
       : connector_(connector), number_of_calls_(0) {}
 
-  virtual bool Accept(Message* message) override {
+  bool Accept(Message* message) override {
     if (!MessageAccumulator::Accept(message))
       return false;
     number_of_calls_++;
     if (number_of_calls_ == 1) {
       return connector_->WaitForIncomingMessage();
     }
     return true;
   }
 
   int number_of_calls() { return number_of_calls_; }
@@ skipping 317 matching lines @@
         std::string(kText[i]),
         std::string(reinterpret_cast<const char*>(message_received.payload())));
   }
 
   ASSERT_EQ(2, accumulator.number_of_calls());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo