Add status area to Aura builds.

chrome/browser/chromeos/status/clock_menu_button.h

Index: chrome/browser/chromeos/status/clock_menu_button.h
diff --git a/chrome/browser/chromeos/status/clock_menu_button.h b/chrome/browser/chromeos/status/clock_menu_button.h
index 595d31f5aa4c56d0d9e6961d9824797d38d6eff8..2175a87ebf6169ffa9e0ad2cf83ca1c8da3a72da 100644
--- a/chrome/browser/chromeos/status/clock_menu_button.h
+++ b/chrome/browser/chromeos/status/clock_menu_button.h
@@ -22,8 +22,6 @@ namespace views {
 class MenuRunner;
 }
 
-namespace chromeos {
-
 // The clock menu button in the status area.
 // This button shows the current time.
 class ClockMenuButton : public StatusAreaButton,
@@ -79,6 +77,4 @@ class ClockMenuButton : public StatusAreaButton,
   DISALLOW_COPY_AND_ASSIGN(ClockMenuButton);
 };
 
-}  // namespace chromeos
-
 #endif  // CHROME_BROWSER_CHROMEOS_STATUS_CLOCK_MENU_BUTTON_H_