Standardize usage of virtual/override/final specifiers.

chrome/browser/net/net_log_temp_file_unittest.cc

Index: chrome/browser/net/net_log_temp_file_unittest.cc
diff --git a/chrome/browser/net/net_log_temp_file_unittest.cc b/chrome/browser/net/net_log_temp_file_unittest.cc
index 7e8eaef9248a4b3701135d24dd283d9c0d146340..e58f63c8e67125c096b674e9ee515331fb0612b5 100644
--- a/chrome/browser/net/net_log_temp_file_unittest.cc
+++ b/chrome/browser/net/net_log_temp_file_unittest.cc
@@ -61,7 +61,7 @@ class NetLogTempFileTest : public ::testing::Test {
   }
 
   // ::testing::Test implementation:
-  virtual void SetUp() override {
+  void SetUp() override {
     // Get a temporary file name for unit tests.
     base::FilePath net_log_dir;
     ASSERT_TRUE(net_log_temp_file_->GetNetExportLogDirectory(&net_log_dir));
@@ -76,7 +76,7 @@ class NetLogTempFileTest : public ::testing::Test {
     ASSERT_FALSE(net_export_log_.empty());
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     // Delete the temporary file we have created.
     ASSERT_TRUE(base::DeleteFile(net_export_log_, false));
   }