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

chrome/browser/extensions/api/socket/socket_apitest.cc

Index: chrome/browser/extensions/api/socket/socket_apitest.cc
===================================================================
--- chrome/browser/extensions/api/socket/socket_apitest.cc	(revision 181040)
+++ chrome/browser/extensions/api/socket/socket_apitest.cc	(working copy)
@@ -42,12 +42,12 @@
     command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
   }
 
-  void SetUpOnMainThread() OVERRIDE {
+  virtual void SetUpOnMainThread() OVERRIDE {
     extensions::HostResolverWrapper::GetInstance()->SetHostResolverForTesting(
         resolver_creator_->CreateMockHostResolver());
   }
 
-  void CleanUpOnMainThread() OVERRIDE {
+  virtual void CleanUpOnMainThread() OVERRIDE {
     extensions::HostResolverWrapper::GetInstance()->
         SetHostResolverForTesting(NULL);
     resolver_creator_->DeleteMockHostResolver();