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

content/browser/fileapi/file_system_dir_url_request_job_unittest.cc

Index: content/browser/fileapi/file_system_dir_url_request_job_unittest.cc
diff --git a/content/browser/fileapi/file_system_dir_url_request_job_unittest.cc b/content/browser/fileapi/file_system_dir_url_request_job_unittest.cc
index 356988accbf0d0ff56739d203eb706863f6634cf..d2a6abc73ac5f66848de37337d532b72584b988e 100644
--- a/content/browser/fileapi/file_system_dir_url_request_job_unittest.cc
+++ b/content/browser/fileapi/file_system_dir_url_request_job_unittest.cc
@@ -80,7 +80,7 @@ class FileSystemDirURLRequestJobFactory : public net::URLRequestJobFactory {
       : storage_domain_(storage_domain), file_system_context_(context) {
   }
 
-  virtual net::URLRequestJob* MaybeCreateJobWithProtocolHandler(
+  net::URLRequestJob* MaybeCreateJobWithProtocolHandler(
       const std::string& scheme,
       net::URLRequest* request,
       net::NetworkDelegate* network_delegate) const override {
@@ -88,15 +88,13 @@ class FileSystemDirURLRequestJobFactory : public net::URLRequestJobFactory {
         request, network_delegate, storage_domain_, file_system_context_);
   }
 
-  virtual bool IsHandledProtocol(const std::string& scheme) const override {
+  bool IsHandledProtocol(const std::string& scheme) const override {
     return true;
   }
 
-  virtual bool IsHandledURL(const GURL& url) const override {
-    return true;
-  }
+  bool IsHandledURL(const GURL& url) const override { return true; }
 
-  virtual bool IsSafeRedirectTarget(const GURL& location) const override {
+  bool IsSafeRedirectTarget(const GURL& location) const override {
     return false;
   }