Materialized the font/icon color for some default rows in the system menu.

ash/common/system/chromeos/network/tray_sms.cc

Index: ash/common/system/chromeos/network/tray_sms.cc
diff --git a/ash/common/system/chromeos/network/tray_sms.cc b/ash/common/system/chromeos/network/tray_sms.cc
index 05d3b5b08511fe97d543ecec63a0e28c1e303296..24a3b2a0da3bf2bd699278b84c5651a426ef9fc3 100644
--- a/ash/common/system/chromeos/network/tray_sms.cc
+++ b/ash/common/system/chromeos/network/tray_sms.cc
@@ -14,6 +14,7 @@
 #include "ash/common/system/tray/tray_item_more.h"
 #include "ash/common/system/tray/tray_item_view.h"
 #include "ash/common/system/tray/tray_notification_view.h"
+#include "ash/common/system/tray/tray_popup_item_style.h"
 #include "ash/common/wm_shell.h"
 #include "ash/resources/vector_icons/vector_icons.h"
 #include "base/strings/string_number_conversions.h"
@@ -83,6 +84,13 @@ class TraySms::SmsDefaultView : public TrayItemMore {
     SetAccessibleName(label);
   }
 
+ protected:
+  // TrayItemMore:
+  std::unique_ptr<TrayPopupItemStyle> CreateStyle() const override {
+    return base::MakeUnique<TrayPopupItemStyle>(
+        GetNativeTheme(), TrayPopupItemStyle::FontStyle::DEFAULT_VIEW_LABEL);
+  }
+
  private:
   DISALLOW_COPY_AND_ASSIGN(SmsDefaultView);
 };