More pre-MD cleanup

chrome/browser/ui/ash/system_tray_delegate_chromeos.cc

Index: chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
index 836958d8de8a40aa6e7fa7d0fc0f2f3b4bc1fca5..462fa150d0933c6c68966bb4870867b6a827ff38 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
@@ -415,11 +415,6 @@ bool SystemTrayDelegateChromeOS::GetSessionLengthLimit(
   return have_session_length_limit_;
 }
 
-int SystemTrayDelegateChromeOS::GetSystemTrayMenuWidth() {
-  return l10n_util::GetLocalizedContentsWidthInPixels(
-      IDS_SYSTEM_TRAY_MENU_BUBBLE_WIDTH_PIXELS);
-}
-
 void SystemTrayDelegateChromeOS::ActiveUserWasChanged() {
   SetProfile(ProfileManager::GetActiveUserProfile());
   GetSystemTrayNotifier()->NotifyUserUpdate();