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

chrome/browser/extensions/lazy_background_page_apitest.cc

Index: chrome/browser/extensions/lazy_background_page_apitest.cc
===================================================================
--- chrome/browser/extensions/lazy_background_page_apitest.cc	(revision 181040)
+++ chrome/browser/extensions/lazy_background_page_apitest.cc	(working copy)
@@ -59,7 +59,7 @@
   virtual void Observe(
       int type,
       const content::NotificationSource& source,
-      const content::NotificationDetails& details) {
+      const content::NotificationDetails& details) OVERRIDE {
     original_complete_.reset(new LazyBackgroundObserver(profile_));
     incognito_complete_.reset(
         new LazyBackgroundObserver(profile_->GetOffTheRecordProfile()));
@@ -75,7 +75,7 @@
 
 class LazyBackgroundPageApiTest : public ExtensionApiTest {
  public:
-  void SetUpCommandLine(CommandLine* command_line) {
+  virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     ExtensionApiTest::SetUpCommandLine(command_line);
     command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
     // Set shorter delays to prevent test timeouts.