browser.bookmarks.max_backups browser.newtabpage.directory.ping browser.newtabpage.directory.source browser.safebrowsing.blockedURIs.enabled browser.tabs.animate browser.tabs.showAudioPlayingIcon datareporting.policy.dataSubmissionEnabled extensions.blocklist.enabled extensions.getAddons.cache.enabled extensions.update.enabled gfx.content.azure.backends gfx.downloadable_fonts.enabled lightweightThemes.update.enabled media.gmp-eme-adobe.forceSupported media.gmp-eme-adobe.visible media.gmp-manager.url media.gmp.decoder.enabled mousewheel.default.delta_multiplier_x mousewheel.default.delta_multiplier_y mousewheel.default.delta_multiplier_z network.captive-portal-service.enabled network.dns.disablePrefetch network.prefetch-next permissions.memory_only reader.parse-on-load.enabled security.nocertdb toolkit.telemetry.unified