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

chrome/browser/app_controller_mac_browsertest.mm

Index: chrome/browser/app_controller_mac_browsertest.mm
diff --git a/chrome/browser/app_controller_mac_browsertest.mm b/chrome/browser/app_controller_mac_browsertest.mm
index 14117eb12ee3768f5c030e3d958cfba7cda9cf50..f8442c765f5f930221905f2775829d82b536a28c 100644
--- a/chrome/browser/app_controller_mac_browsertest.mm
+++ b/chrome/browser/app_controller_mac_browsertest.mm
@@ -89,7 +89,7 @@ class AppControllerPlatformAppBrowserTest
                                 chrome::GetActiveDesktop())) {
   }
 
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     PlatformAppBrowserTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII(switches::kAppId,
                                     "1234");
@@ -145,7 +145,7 @@ class AppControllerWebAppBrowserTest : public InProcessBrowserTest {
                                 chrome::GetActiveDesktop())) {
   }
 
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     command_line->AppendSwitchASCII(switches::kApp, GetAppURL());
   }
 
@@ -206,7 +206,7 @@ class AppControllerNewProfileManagementBrowserTest
                                 chrome::GetActiveDesktop())) {
   }
 
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     switches::EnableNewProfileManagementForTesting(command_line);
   }
 
@@ -283,7 +283,7 @@ class AppControllerOpenShortcutBrowserTest : public InProcessBrowserTest {
   AppControllerOpenShortcutBrowserTest() {
   }
 
-  virtual void SetUpInProcessBrowserTestFixture() override {
+  void SetUpInProcessBrowserTestFixture() override {
     // In order to mimic opening shortcut during browser startup, we need to
     // send the event before -applicationDidFinishLaunching is called, but
     // after AppController is loaded.
@@ -315,7 +315,7 @@ class AppControllerOpenShortcutBrowserTest : public InProcessBrowserTest {
     g_open_shortcut_url = embedded_test_server()->GetURL("/simple.html");
   }
 
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     // If the arg is empty, PrepareTestCommandLine() after this function will
     // append about:blank as default url.
     command_line->AppendArg(chrome::kChromeUINewTabURL);