Add OVERRIDE to chrome/browser/chromeos/.

chrome/browser/chromeos/login/network_screen.h

Index: chrome/browser/chromeos/login/network_screen.h
diff --git a/chrome/browser/chromeos/login/network_screen.h b/chrome/browser/chromeos/login/network_screen.h
index 0a8fda3d8889b6bf40b8fa379274eae2272383aa..04c6ab6b481ff6a003899eaf15061e8920f6ccd7 100644
--- a/chrome/browser/chromeos/login/network_screen.h
+++ b/chrome/browser/chromeos/login/network_screen.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_CHROMEOS_LOGIN_NETWORK_SCREEN_H_
 #pragma once
 
+#include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
 #include "base/task.h"
@@ -26,15 +27,15 @@ class NetworkScreen : public WizardScreen,
   virtual ~NetworkScreen();
 
   // WizardScreen implementation:
-  virtual void PrepareToShow();
-  virtual void Show();
-  virtual void Hide();
+  virtual void PrepareToShow() OVERRIDE;
+  virtual void Show() OVERRIDE;
+  virtual void Hide() OVERRIDE;
 
   // NetworkLibrary::NetworkManagerObserver implementation:
-  virtual void OnNetworkManagerChanged(NetworkLibrary* network_lib);
+  virtual void OnNetworkManagerChanged(NetworkLibrary* network_lib) OVERRIDE;
 
   // NetworkScreenActor::Delegate implementation:
-  virtual void OnContinuePressed();
+  virtual void OnContinuePressed() OVERRIDE;
 
   NetworkScreenActor* actor() const { return actor_; }