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

components/proximity_auth/bluetooth_connection_unittest.cc

 // Copyright 2014 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 "components/proximity_auth/bluetooth_connection.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/run_loop.h"
 #include "components/proximity_auth/remote_device.h"
@@ skipping 45 matching lines @@
  public:
   MockBluetoothConnection()
       : BluetoothConnection(kRemoteDevice, device::BluetoothUUID(kUuid)) {}
 
   // Calls back into the parent Connection class.
   MOCK_METHOD1(SetStatusProxy, void(Status status));
   MOCK_METHOD1(OnBytesReceived, void(const std::string& bytes));
   MOCK_METHOD2(OnDidSendMessage,
                void(const WireMessage& message, bool success));
 
-  virtual void SetStatus(Status status) override {
+  void SetStatus(Status status) override {
     SetStatusProxy(status);
     BluetoothConnection::SetStatus(status);
   }
 
   using BluetoothConnection::status;
   using BluetoothConnection::Connect;
   using BluetoothConnection::DeviceRemoved;
   using BluetoothConnection::Disconnect;
 
  private:
@@ skipping 365 matching lines @@
 
   ASSERT_FALSE(error_callback.is_null());
   EXPECT_CALL(connection, OnDidSendMessage(Ref(*expected_wire_message), false));
   EXPECT_CALL(connection, SetStatusProxy(Connection::DISCONNECTED));
   EXPECT_CALL(*socket_, Disconnect(_));
   EXPECT_CALL(*adapter_, RemoveObserver(&connection));
   error_callback.Run("The most helpful of error messages");
 }
 
 }  // namespace proximity_auth