Standardize usage of virtual/override/final specifiers.

content/browser/renderer_host/media/media_stream_dispatcher_host_unittest.cc

 // Copyright (c) 2012 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 <string>
 #include <queue>
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/command_line.h"
@@ skipping 236 matching lines @@
     // Use the fake content client and browser.
     content_client_.reset(new TestContentClient());
     SetContentClient(content_client_.get());
     old_browser_client_ = SetBrowserClientForTesting(host_.get());
 
 #if defined(OS_CHROMEOS)
     chromeos::CrasAudioHandler::InitializeForTesting();
 #endif
   }
 
-  virtual ~MediaStreamDispatcherHostTest() {
+  ~MediaStreamDispatcherHostTest() override {
 #if defined(OS_CHROMEOS)
     chromeos::CrasAudioHandler::Shutdown();
 #endif
   }
 
-  virtual void SetUp() override {
+  void SetUp() override {
     video_capture_device_factory_->GetDeviceNames(&physical_video_devices_);
     ASSERT_GT(physical_video_devices_.size(), 0u);
 
     media_stream_manager_->audio_input_device_manager()->GetFakeDeviceNames(
         &physical_audio_devices_);
     ASSERT_GT(physical_audio_devices_.size(), 0u);
   }
 
-  virtual void TearDown() override {
-    host_->OnChannelClosing();
-  }
+  void TearDown() override { host_->OnChannelClosing(); }
 
  protected:
   virtual void SetupFakeUI(bool expect_started) {
     stream_ui_ = new MockMediaStreamUIProxy();
     if (expect_started) {
       EXPECT_CALL(*stream_ui_, OnStarted(_, _));
     }
     media_stream_manager_->UseFakeUI(
       scoped_ptr<FakeMediaStreamUIProxy>(stream_ui_));
   }
@@ skipping 630 matching lines @@
 
 TEST_F(MediaStreamDispatcherHostTest, EnumerateVideoDevicesNoAccess) {
   SetupFakeUI(false);
   stream_ui_->SetCameraAccess(false);
   EnumerateDevicesAndWaitForResult(kRenderId, kPageRequestId,
                                    MEDIA_DEVICE_VIDEO_CAPTURE);
   EXPECT_TRUE(DoesNotContainLabels(host_->enumerated_devices_));
 }
 
 };  // namespace content