  blink::WebCacheResourceTypeStats GetResourceUsage(v8::Isolate* isolate) {
    blink::WebCacheResourceTypeStats stats;
    blink::WebCache::GetResourceTypeStats(&stats);
    return stats;
  }
  blink::WebCacheResourceTypeStats GetResourceUsage(v8::Isolate* isolate) {
    blink::WebCacheResourceTypeStats stats;
    blink::WebCache::GetResourceTypeStats(&stats);
    return stats;
  }