Fix size of big, red logout button

ash/system/logout_button/logout_button_tray.cc

Index: ash/system/logout_button/logout_button_tray.cc
diff --git a/ash/system/logout_button/logout_button_tray.cc b/ash/system/logout_button/logout_button_tray.cc
index e7f39433748fd7e7b3924ca4d72ed08aa9029e27..aaa00392b201711315a24dc0c448ec9916ff8335 100644
--- a/ash/system/logout_button/logout_button_tray.cc
+++ b/ash/system/logout_button/logout_button_tray.cc
@@ -82,6 +82,7 @@ class LogoutConfirmationDialogDelegate
 LogoutButton::LogoutButton(views::ButtonListener* listener)
     : views::LabelButton(listener, base::string16()) {
   SetupLabelForTray(label());
+  SetFontList(label()->font_list());
   for (size_t state = 0; state < views::Button::STATE_COUNT; ++state)
     SetTextColor(static_cast<views::Button::ButtonState>(state), SK_ColorWHITE);