Standardize usage of virtual/override/final specifiers.

content/browser/loader/resource_dispatcher_host_unittest.cc

Index: content/browser/loader/resource_dispatcher_host_unittest.cc
diff --git a/content/browser/loader/resource_dispatcher_host_unittest.cc b/content/browser/loader/resource_dispatcher_host_unittest.cc
index 293cd5f284eb1868935a79d843e373af5cc52c85..d600a278b2c5753bfe07a887e3fa0c4d9826b822 100644
--- a/content/browser/loader/resource_dispatcher_host_unittest.cc
+++ b/content/browser/loader/resource_dispatcher_host_unittest.cc
@@ -744,12 +744,12 @@ class ResourceDispatcherHostTest : public testing::Test,
   friend class TestURLRequestJobFactory;
 
   // testing::Test
-  virtual void SetUp() override {
+  void SetUp() override {
     ChildProcessSecurityPolicyImpl::GetInstance()->Add(0);
     HandleScheme("test");
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     EXPECT_TRUE(URLRequestTestDelayedStartJob::DelayedStartQueueEmpty());
     URLRequestTestDelayedStartJob::ClearQueue();