Helper            245 base/bind_helpers.h   template <void(BaseMixin::*)(void)> struct Helper {};
Helper            323 chrome/browser/component_updater/component_updater_service.cc   class Helper {
Helper            573 chrome/browser/component_updater/component_updater_service.cc   class Helper {
Helper            169 net/proxy/proxy_config_service_mac.cc   explicit Helper(ProxyConfigServiceMac* parent) : parent_(parent) {