CalculateUsage     91 extensions/browser/api/storage/settings_storage_quota_enforcer.cc   CalculateUsage();
CalculateUsage    237 extensions/browser/api/storage/settings_storage_quota_enforcer.cc   CalculateUsage();
CalculateUsage     56 extensions/browser/api/storage/settings_storage_quota_enforcer.h   void CalculateUsage();