webapk_installer.cc

void WebApkInstaller::OnHaveSufficientSpaceForInstall() {
  if (install_from_webapk_service_) {
    DCHECK(!serialized_webapk_.get()->empty());
    // We already have a serialized WebAPK request, so we can skip fetching the
    // icons and building the proto.

    const net::NetworkTrafficAnnotationTag
        traffic_annotation_install_from_service =
            net::DefineNetworkTrafficAnnotation("webapk_create_for_service", R"(
        semantics {
          sender: "WebAPK"
          description:
            "At the requesting app's request, Chrome can install supported web "
            "apps on Android so that they show up in the user's app drawer and "
            "optionally home screen. Web apps installed in this way are called "
            "WebAPKs. See "
            "https://developers.google.com/web/fundamentals/integration/webapks "
            "for more details. WebAPKs are created on a Google server on "
            "behalf of the Chrome client and the requesting app. In order for "
            "the server to create a WebAPK, it first needs to know metadata "
            "about the web app that the user wants to install, as well as some "
            "details about the user's device. Upon successful WebAPK creation, "
            "the server will return a URL from which the WebAPK can be "
            "downloaded along with a few other details about the WebAPK (its "
            "size, version, and hash, for example)."
          trigger: "Chrome received a WebAPK install request via its install-"
                   "scheduling service from another app."
          data:
            "The 'WebApk' message in components/webapk/webapk.proto lists the "
            "full contents of a WebAPK request. Note that 'package_name', "
            "'version', and 'update_reasons' will not be filled in for initial "
            "app installation requests, but only for future app updates. The "
            "proto includes:\n"
            "  * the URL of the web app's Web Application Manifest (see "
            "https://www.w3.org/TR/appmanifest/ for details)\n"
            "  * the parsed contents of the web app's Web Application Manifest "
            "(includes things like the app's name and description, URLs to "
            "icons, and other app features)\n"
            "  * the Android package name and version string of the browser "
            "from which the user made the request\n"
            "  * the ABI and Android OS version of the device that made the "
            "request"
          destination: GOOGLE_OWNED_SERVICE
        }
        policy {
          cookies_allowed: NO
          policy_exception_justification: "Not implemented."
          setting: "This feature cannot be disabled."
        }
        )");

    SendRequest(traffic_annotation_install_from_service, *serialized_webapk_);
    return;
  }