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

chrome/browser/profiles/host_zoom_map_browsertest.cc

Index: chrome/browser/profiles/host_zoom_map_browsertest.cc
diff --git a/chrome/browser/profiles/host_zoom_map_browsertest.cc b/chrome/browser/profiles/host_zoom_map_browsertest.cc
index 7f388bad44e08286cc4dedbb28b8c28c6ec2479e..15c32ce49e6868dd25c1c84a5bb1512a70496390 100644
--- a/chrome/browser/profiles/host_zoom_map_browsertest.cc
+++ b/chrome/browser/profiles/host_zoom_map_browsertest.cc
@@ -131,7 +131,7 @@ class HostZoomMapBrowserTest : public InProcessBrowserTest {
   }
 
   // BrowserTestBase:
-  virtual void SetUpOnMainThread() override {
+  void SetUpOnMainThread() override {
     ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
     embedded_test_server()->RegisterRequestHandler(base::Bind(
         &HostZoomMapBrowserTest::HandleRequest, base::Unretained(this)));
@@ -150,7 +150,7 @@ class HostZoomMapBrowserTestWithPrefs : public HostZoomMapBrowserTest {
 
  private:
   // InProcessBrowserTest:
-  virtual bool SetUpUserDataDirectory() override {
+  bool SetUpUserDataDirectory() override {
     std::replace(prefs_data_.begin(), prefs_data_.end(), '\'', '\"');
     // It seems the hash functions on different platforms can return different
     // values for the same input, so make sure we test with the hash appropriate