Standardize usage of virtual/override/final in content/

content/public/test/test_utils.cc

Index: content/public/test/test_utils.cc
diff --git a/content/public/test/test_utils.cc b/content/public/test/test_utils.cc
index 136ffbef1387af90e790ee2ddc84c3990fa527b4..566410dd4d175fd1d8875a7b81b70020c8793026 100644
--- a/content/public/test/test_utils.cc
+++ b/content/public/test/test_utils.cc
@@ -74,12 +74,11 @@ void ScriptCallback::ResultCallback(const base::Value* result) {
 class TaskObserver : public base::MessageLoop::TaskObserver {
  public:
   TaskObserver() : processed_(false) {}
-  virtual ~TaskObserver() {}
+  ~TaskObserver() override {}
 
   // MessageLoop::TaskObserver overrides.
-  virtual void WillProcessTask(const base::PendingTask& pending_task) override {
-  }
-  virtual void DidProcessTask(const base::PendingTask& pending_task) override {
+  void WillProcessTask(const base::PendingTask& pending_task) override {}
+  void DidProcessTask(const base::PendingTask& pending_task) override {
     processed_ = true;
   }