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

content/browser/media/encrypted_media_browsertest.cc

 // Copyright (c) 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 "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/windows_version.h"
 #include "content/browser/media/media_browsertest.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
@@ skipping 111 matching lines @@
 
  protected:
   // We want to fail quickly when a test fails because an error is encountered.
   void AddWaitForTitles(content::TitleWatcher* title_watcher) override {
     MediaBrowserTest::AddWaitForTitles(title_watcher);
     title_watcher->AlsoWaitForTitle(base::ASCIIToUTF16(kEmeNotSupportedError));
     title_watcher->AlsoWaitForTitle(base::ASCIIToUTF16(kEmeKeyError));
   }
 
 #if defined(OS_ANDROID)
-  virtual void SetUpCommandLine(base::CommandLine* command_line) override {
+  void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(
         switches::kDisableGestureRequirementForMediaPlayback);
   }
 #endif
 };
 
 using ::testing::Combine;
 using ::testing::Values;
 
 #if !defined(OS_ANDROID)
@@ skipping 65 matching lines @@
 IN_PROC_BROWSER_TEST_F(EncryptedMediaTest, UnknownKeySystemThrowsException) {
   RunEncryptedMediaTest(kDefaultEmePlayer,
                         "bear-a_enc-a.webm",
                         kWebMAudioOnly,
                         "com.example.foo",
                         MSE,
                         kEmeNotSupportedError);
 }
 
 }  // namespace content