Standardize usage of virtual/override/final in components/

components/rappor/log_uploader_unittest.cc

Index: components/rappor/log_uploader_unittest.cc
diff --git a/components/rappor/log_uploader_unittest.cc b/components/rappor/log_uploader_unittest.cc
index a065786b806eddc65d74dd0001fd12e78d4c2b22..f3799ca08a29203632dc26f3a775214a47af8c78 100644
--- a/components/rappor/log_uploader_unittest.cc
+++ b/components/rappor/log_uploader_unittest.cc
@@ -35,13 +35,13 @@ class TestLogUploader : public LogUploader {
   }
 
  protected:
-  virtual bool IsUploadScheduled() const override {
+  bool IsUploadScheduled() const override {
     return last_interval_set() != base::TimeDelta();
   }
 
   // Schedules a future call to StartScheduledUpload if one isn't already
   // pending.
-  virtual void ScheduleNextUpload(base::TimeDelta interval) override {
+  void ScheduleNextUpload(base::TimeDelta interval) override {
     EXPECT_EQ(last_interval_set(), base::TimeDelta());
     last_interval_set_ = interval;
   }