Standardize usage of virtual/override/final specifiers.

remoting/host/it2me/it2me_native_messaging_host_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 "remoting/host/it2me/it2me_native_messaging_host.h"
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
@@ skipping 148 matching lines @@
         context, task_runner, observer, xmpp_server_config, directory_bot_jid);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockIt2MeHostFactory);
 };  // MockIt2MeHostFactory
 
 class It2MeNativeMessagingHostTest : public testing::Test {
  public:
   It2MeNativeMessagingHostTest() {}
-  virtual ~It2MeNativeMessagingHostTest() {}
+  ~It2MeNativeMessagingHostTest() override {}
 
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
 
  protected:
   scoped_ptr<base::DictionaryValue> ReadMessageFromOutputPipe();
   void WriteMessageToInputPipe(const base::Value& message);
 
   void VerifyHelloResponse(int request_id);
   void VerifyErrorResponse();
   void VerifyConnectResponses(int request_id);
   void VerifyDisconnectResponses(int request_id);
 
@@ skipping 371 matching lines @@
 
 // Verify rejection if type is unrecognized.
 TEST_F(It2MeNativeMessagingHostTest, InvalidType) {
   base::DictionaryValue message;
   message.SetString("type", "xxx");
   TestBadRequest(message, true);
 }
 
 }  // namespace remoting