replace OVERRIDE and FINAL with override and final in chrome/browser/[j-q]*

chrome/browser/media/chrome_webrtc_video_quality_browsertest.cc

Index: chrome/browser/media/chrome_webrtc_video_quality_browsertest.cc
diff --git a/chrome/browser/media/chrome_webrtc_video_quality_browsertest.cc b/chrome/browser/media/chrome_webrtc_video_quality_browsertest.cc
index f74a035bf2d6b3b08f1a742693de38bf2971f555..3961d3510814857c6fbcf210415da4c958716649 100644
--- a/chrome/browser/media/chrome_webrtc_video_quality_browsertest.cc
+++ b/chrome/browser/media/chrome_webrtc_video_quality_browsertest.cc
@@ -102,13 +102,13 @@ class WebRtcVideoQualityBrowserTest : public WebRtcTestBase,
     test_config_ = GetParam();
   }
 
-  virtual void SetUpInProcessBrowserTestFixture() OVERRIDE {
+  virtual void SetUpInProcessBrowserTestFixture() override {
     DetectErrorsInJavaScript();  // Look for errors in our rather complex js.
 
     ASSERT_TRUE(temp_working_dir_.CreateUniqueTempDir());
   }
 
-  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
+  virtual void SetUpCommandLine(CommandLine* command_line) override {
     // Set up the command line option with the expected file name. We will check
     // its existence in HasAllRequiredResources().
     webrtc_reference_video_y4m_ = test::GetReferenceFilesDir()