Standardize usage of virtual/override/final in net/

net/url_request/url_request_simple_job_unittest.cc

Index: net/url_request/url_request_simple_job_unittest.cc
diff --git a/net/url_request/url_request_simple_job_unittest.cc b/net/url_request/url_request_simple_job_unittest.cc
index b75da80ee4124702c875a2e9da3c637c0eade3d4..5ee71b5766fbb6928581fbe09de2e3ece9e9705a 100644
--- a/net/url_request/url_request_simple_job_unittest.cc
+++ b/net/url_request/url_request_simple_job_unittest.cc
@@ -32,10 +32,10 @@ class MockSimpleJob : public URLRequestSimpleJob {
   }
 
  protected:
-  virtual int GetData(std::string* mime_type,
-                      std::string* charset,
-                      std::string* data,
-                      const CompletionCallback& callback) const override {
+  int GetData(std::string* mime_type,
+              std::string* charset,
+              std::string* data,
+              const CompletionCallback& callback) const override {
     mime_type->assign("text/plain");
     charset->assign("US-ASCII");
     data->assign(kTestData);
@@ -43,7 +43,7 @@ class MockSimpleJob : public URLRequestSimpleJob {
   }
 
  private:
-  virtual ~MockSimpleJob() {}
+  ~MockSimpleJob() override {}
 
   std::string data_;
 
@@ -53,7 +53,7 @@ class MockSimpleJob : public URLRequestSimpleJob {
 class SimpleJobProtocolHandler :
     public URLRequestJobFactory::ProtocolHandler {
  public:
-  virtual URLRequestJob* MaybeCreateJob(
+  URLRequestJob* MaybeCreateJob(
       URLRequest* request,
       NetworkDelegate* network_delegate) const override {
     return new MockSimpleJob(request, network_delegate);