Standardize usage of virtual/override/final specifiers.

remoting/host/host_extension_session_manager_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 "base/strings/string_util.h"
 #include "remoting/codec/video_encoder.h"
 #include "remoting/host/fake_host_extension.h"
 #include "remoting/host/host_extension_session_manager.h"
 #include "remoting/host/host_mock_objects.h"
 #include "remoting/proto/control.pb.h"
 #include "remoting/protocol/protocol_mock_objects.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_capturer.h"
 
 namespace remoting {
 
 class HostExtensionSessionManagerTest : public testing::Test {
  public:
   HostExtensionSessionManagerTest()
       : extension1_("ext1", "cap1"),
         extension2_("ext2", std::string()),
         extension3_("ext3", "cap3") {
     extensions_.push_back(&extension1_);
     extensions_.push_back(&extension2_);
     extensions_.push_back(&extension3_);
   }
-  virtual ~HostExtensionSessionManagerTest() {}
+  ~HostExtensionSessionManagerTest() override {}
 
  protected:
   // Fake HostExtensions for testing.
   FakeExtension extension1_;
   FakeExtension extension2_;
   FakeExtension extension3_;
   HostExtensionSessionManager::HostExtensions extensions_;
 
   // Mocks of interfaces provided by ClientSession.
   MockClientSessionControl client_session_control_;
@@ skipping 141 matching lines @@
   EXPECT_CALL(client_session_control_, ResetVideoPipeline());
 
   // Set up only the first extension to request to modify the video pipeline.
   extension1_.set_steal_video_capturer(true);
 
   extension_manager.OnNegotiatedCapabilities(&client_stub_, "cap1");
 }
 
 
 }  // namespace remoting