Standardize usage of virtual/override/final in chrome/browser/media

chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc

Index: chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc
diff --git a/chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc b/chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc
index 6e3671a4d3b1a2a6251fd2d3a1163d27af49d784..56f33bab5dd1e95d6f19564284514212967c6618 100644
--- a/chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc
+++ b/chrome/browser/media/chrome_webrtc_audio_quality_browsertest.cc
@@ -109,11 +109,11 @@ static const char kMainWebrtcTestHtmlPage[] =
 class WebRtcAudioQualityBrowserTest : public WebRtcTestBase {
  public:
   WebRtcAudioQualityBrowserTest() {}
-  virtual void SetUpInProcessBrowserTestFixture() override {
+  void SetUpInProcessBrowserTestFixture() override {
     DetectErrorsInJavaScript();  // Look for errors in our rather complex js.
   }
 
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     // This test expects real device handling and requires a real webcam / audio
     // device; it will not work with fake devices.
     EXPECT_FALSE(command_line->HasSwitch(