Add OVERRIDE to chrome/test/.

chrome/test/ui/ui_test.h

Index: chrome/test/ui/ui_test.h
diff --git a/chrome/test/ui/ui_test.h b/chrome/test/ui/ui_test.h
index 43ab2d2330407638ccb3fb7b2af1c73456a9ef33..dd54b48f8c7fec5c0ab174f9dc224437726307b9 100644
--- a/chrome/test/ui/ui_test.h
+++ b/chrome/test/ui/ui_test.h
@@ -367,10 +367,10 @@ class UITest : public UITestBase, public PlatformTest {
     : UITestBase(), PlatformTest(), message_loop_(msg_loop_type) {
   }
 
-  virtual void SetUp();
-  virtual void TearDown();
+  virtual void SetUp() OVERRIDE;
+  virtual void TearDown() OVERRIDE;
 
-  virtual ProxyLauncher* CreateProxyLauncher();
+  virtual ProxyLauncher* CreateProxyLauncher() OVERRIDE;
 
   // Count the number of active browser processes launched by this test.
   // The count includes browser sub-processes.