Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/search/instant_extended_manual_interactive_uitest.cc

Index: chrome/browser/ui/search/instant_extended_manual_interactive_uitest.cc
diff --git a/chrome/browser/ui/search/instant_extended_manual_interactive_uitest.cc b/chrome/browser/ui/search/instant_extended_manual_interactive_uitest.cc
index c49a4c706e3c2838d37f6cf5e549fe977e105559..1eb9bd8ebb52b606cbc10e8413cb57c9f26b9bda 100644
--- a/chrome/browser/ui/search/instant_extended_manual_interactive_uitest.cc
+++ b/chrome/browser/ui/search/instant_extended_manual_interactive_uitest.cc
@@ -55,7 +55,7 @@ class InstantExtendedManualTest : public InProcessBrowserTest,
     host_resolver_proc_ = NULL;
   }
 
-  virtual void SetUpOnMainThread() override {
+  void SetUpOnMainThread() override {
     const testing::TestInfo* const test_info =
         testing::UnitTest::GetInstance()->current_test_info();
     ASSERT_TRUE(StartsWithASCII(test_info->name(), "MANUAL_", true) ||
@@ -65,12 +65,12 @@ class InstantExtendedManualTest : public InProcessBrowserTest,
         new net::NetworkChangeNotifier::DisableForTest());
   }
 
-  virtual void TearDownOnMainThread() override {
+  void TearDownOnMainThread() override {
     disable_network_change_notifier_.reset();
   }
 
  protected:
-  virtual void SetUpInProcessBrowserTestFixture() override {
+  void SetUpInProcessBrowserTestFixture() override {
     chrome::EnableQueryExtractionForTesting();
   }