Standardize usage of virtual/override/final in net/

net/ssl/channel_id_service_unittest.cc

Index: net/ssl/channel_id_service_unittest.cc
diff --git a/net/ssl/channel_id_service_unittest.cc b/net/ssl/channel_id_service_unittest.cc
index 52083e8e8bc206cfbe3b9342b85cb95ffdc925fd..b5fc006f1b3904bd3ac2305797316384db316647 100644
--- a/net/ssl/channel_id_service_unittest.cc
+++ b/net/ssl/channel_id_service_unittest.cc
@@ -35,16 +35,16 @@ class FailingTaskRunner : public base::TaskRunner {
  public:
   FailingTaskRunner() {}
 
-  virtual bool PostDelayedTask(const tracked_objects::Location& from_here,
-                               const base::Closure& task,
-                               base::TimeDelta delay) override {
+  bool PostDelayedTask(const tracked_objects::Location& from_here,
+                       const base::Closure& task,
+                       base::TimeDelta delay) override {
     return false;
   }
 
-  virtual bool RunsTasksOnCurrentThread() const override { return true; }
+  bool RunsTasksOnCurrentThread() const override { return true; }
 
  protected:
-  virtual ~FailingTaskRunner() {}
+  ~FailingTaskRunner() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FailingTaskRunner);
@@ -56,21 +56,21 @@ class MockChannelIDStoreWithAsyncGet
   MockChannelIDStoreWithAsyncGet()
       : DefaultChannelIDStore(NULL), channel_id_count_(0) {}
 
-  virtual int GetChannelID(const std::string& server_identifier,
-                           base::Time* expiration_time,
-                           std::string* private_key_result,
-                           std::string* cert_result,
-                           const GetChannelIDCallback& callback) override;
-
-  virtual void SetChannelID(const std::string& server_identifier,
-                            base::Time creation_time,
-                            base::Time expiration_time,
-                            const std::string& private_key,
-                            const std::string& cert) override {
+  int GetChannelID(const std::string& server_identifier,
+                   base::Time* expiration_time,
+                   std::string* private_key_result,
+                   std::string* cert_result,
+                   const GetChannelIDCallback& callback) override;
+
+  void SetChannelID(const std::string& server_identifier,
+                    base::Time creation_time,
+                    base::Time expiration_time,
+                    const std::string& private_key,
+                    const std::string& cert) override {
     channel_id_count_ = 1;
   }
 
-  virtual int GetChannelIDCount() override { return channel_id_count_; }
+  int GetChannelIDCount() override { return channel_id_count_; }
 
   void CallGetChannelIDCallbackWithResult(int err,
                                           base::Time expiration_time,