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

android_webview/native/permission/media_access_permission_request_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 "android_webview/native/permission/media_access_permission_request.h"
 #include "base/bind.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace android_webview {
 
 class TestMediaAccessPermissionRequest : public MediaAccessPermissionRequest {
  public:
   TestMediaAccessPermissionRequest(
       const content::MediaStreamRequest& request,
       const content::MediaResponseCallback& callback,
       const content::MediaStreamDevices& audio_devices,
       const content::MediaStreamDevices& video_devices)
       : MediaAccessPermissionRequest(request, callback) {
     audio_test_devices_ = audio_devices;
     video_test_devices_ = video_devices;
   }
 };
 
 class MediaAccessPermissionRequestTest : public testing::Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     audio_device_id_ = "audio";
     video_device_id_ = "video";
     first_audio_device_id_ = "audio1";
     first_video_device_id_ = "video1";
   }
 
   scoped_ptr<TestMediaAccessPermissionRequest> CreateRequest(
       std::string audio_id,
       std::string video_id) {
     content::MediaStreamDevices audio_devices;
@@ skipping 93 matching lines @@
 
 TEST_F(MediaAccessPermissionRequestTest, TestDenyPermissionRequest) {
   scoped_ptr<TestMediaAccessPermissionRequest> request =
       CreateRequest(std::string(), std::string());
   request->NotifyRequestResult(false);
   EXPECT_TRUE(devices_.empty());
   EXPECT_EQ(content::MEDIA_DEVICE_PERMISSION_DENIED, result_);
 }
 
 }  // namespace android_webview