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

content/browser/fileapi/blob_url_request_job_unittest.cc

Index: content/browser/fileapi/blob_url_request_job_unittest.cc
diff --git a/content/browser/fileapi/blob_url_request_job_unittest.cc b/content/browser/fileapi/blob_url_request_job_unittest.cc
index 5341292e8ca845ac6b5792b16b506ee24a089fed..4c7d607bcac54c99ebd2d7d7333de95d05b7bdde 100644
--- a/content/browser/fileapi/blob_url_request_job_unittest.cc
+++ b/content/browser/fileapi/blob_url_request_job_unittest.cc
@@ -61,7 +61,7 @@ class BlobURLRequestJobTest : public testing::Test {
     MockProtocolHandler(BlobURLRequestJobTest* test) : test_(test) {}
 
     // net::URLRequestJobFactory::ProtocolHandler override.
-    virtual net::URLRequestJob* MaybeCreateJob(
+    net::URLRequestJob* MaybeCreateJob(
         net::URLRequest* request,
         net::NetworkDelegate* network_delegate) const override {
       return new BlobURLRequestJob(request,