RegisterExternalHandler  672 chrome/browser/custom_handlers/protocol_handler_registry.cc     delegate_->RegisterExternalHandler(p->first);
RegisterExternalHandler  841 chrome/browser/custom_handlers/protocol_handler_registry.cc     delegate_->RegisterExternalHandler(handler.protocol());
RegisterExternalHandler   78 chrome/browser/custom_handlers/protocol_handler_registry.h     virtual void RegisterExternalHandler(const std::string& protocol);
RegisterExternalHandler  491 chrome/browser/custom_handlers/protocol_handler_registry_unittest.cc   delegate()->RegisterExternalHandler("test");