Linux/ChromeOS Chromium style checker cleanup, chrome/browser/extensions edition.

chrome/browser/extensions/app_process_apitest.cc

Index: chrome/browser/extensions/app_process_apitest.cc
===================================================================
--- chrome/browser/extensions/app_process_apitest.cc	(revision 181040)
+++ chrome/browser/extensions/app_process_apitest.cc	(working copy)
@@ -50,7 +50,7 @@
   }
 
   // Pass flags to make testing apps easier.
-  void SetUpCommandLine(CommandLine* command_line) {
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     ExtensionApiTest::SetUpCommandLine(command_line);
     CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kDisablePopupBlocking);
@@ -124,7 +124,7 @@
 // Omits the disable-popup-blocking flag so we can cover that case.
 class BlockedAppApiTest : public AppApiTest {
  protected:
-  void SetUpCommandLine(CommandLine* command_line) {
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     ExtensionApiTest::SetUpCommandLine(command_line);
     CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kAllowHTTPBackgroundPage);