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

chrome/browser/extensions/app_process_apitest.cc

Index: chrome/browser/extensions/app_process_apitest.cc
diff --git a/chrome/browser/extensions/app_process_apitest.cc b/chrome/browser/extensions/app_process_apitest.cc
index f2bd77234f67a56cf74a216f00ec452bf4da9724..2ce3d9009e70b2507fd67df53a502039744fc738 100644
--- a/chrome/browser/extensions/app_process_apitest.cc
+++ b/chrome/browser/extensions/app_process_apitest.cc
@@ -57,7 +57,7 @@ class AppApiTest : public ExtensionApiTest {
   }
 
   // Pass flags to make testing apps easier.
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     ExtensionApiTest::SetUpCommandLine(command_line);
     CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kDisablePopupBlocking);
@@ -134,7 +134,7 @@ class AppApiTest : public ExtensionApiTest {
 // Omits the disable-popup-blocking flag so we can cover that case.
 class BlockedAppApiTest : public AppApiTest {
  protected:
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     ExtensionApiTest::SetUpCommandLine(command_line);
     CommandLine::ForCurrentProcess()->AppendSwitch(
         extensions::switches::kAllowHTTPBackgroundPage);