Standardize usage of virtual/override/final in content/browser/

content/browser/tcmalloc_internals_request_job.h

Index: content/browser/tcmalloc_internals_request_job.h
diff --git a/content/browser/tcmalloc_internals_request_job.h b/content/browser/tcmalloc_internals_request_job.h
index 22a3eb849ef8338620b13a39e4a917a8cb59ce90..d6d7e008d97d651606254959e5ec01ce3833de14 100644
--- a/content/browser/tcmalloc_internals_request_job.h
+++ b/content/browser/tcmalloc_internals_request_job.h
@@ -50,13 +50,13 @@ class TcmallocInternalsRequestJob : public net::URLRequestSimpleJob {
   TcmallocInternalsRequestJob(net::URLRequest* request,
                               net::NetworkDelegate* network_delegate);
 
-  virtual int GetData(std::string* mime_type,
-                      std::string* charset,
-                      std::string* data,
-                      const net::CompletionCallback& callback) const override;
+  int GetData(std::string* mime_type,
+              std::string* charset,
+              std::string* data,
+              const net::CompletionCallback& callback) const override;
 
  protected:
-  virtual ~TcmallocInternalsRequestJob() {}
+  ~TcmallocInternalsRequestJob() override {}
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(TcmallocInternalsRequestJob);