4 files changed, 791 insertions, 0 deletions
diff --git a/mobile/android/app/geckoview-prefs.js b/mobile/android/app/geckoview-prefs.js
new file mode 100644
index 0000000000..42a909c0b8
--- /dev/null
+++ b/mobile/android/app/geckoview-prefs.js
@@ -0,0 +1,104 @@
+#filter dumbComments emptyLines substitution
+
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// Non-static prefs that are specific to GeckoView belong in this file (unless
+// there is a compelling and documented reason for them to belong in another
+// file). Note that non-static prefs that are shared by GeckoView and Firefox
+// for Android are in mobile.js, which this file includes.
+//
+// Please indent all prefs defined within #ifdef/#ifndef conditions. This
+// improves readability, particular for conditional blocks that exceed a single
+// screen.
+
+#include mobile.js
+
+pref("privacy.trackingprotection.pbmode.enabled", false);
+
+pref("browser.tabs.remote.autostart", true);
+pref("dom.ipc.keepProcessesAlive.web", 1);
+
+pref("dom.ipc.processPrelaunch.enabled", false);
+
+// Don't create the hidden window during startup.
+pref("toolkit.lazyHiddenWindow", true);
+
+pref("geckoview.console.enabled", false);
+
+#ifdef RELEASE_OR_BETA
+  pref("geckoview.logging", "Warn");
+#else
+  pref("geckoview.logging", "Debug");
+#endif
+
+// Enable WebShare support.
+pref("dom.webshare.enabled", true);
+
+// Enable capture attribute for file input.
+pref("dom.capture.enabled", true);
+
+// Disable Web Push until we get it working
+pref("dom.push.enabled", true);
+
+// enable external storage API
+pref("dom.storageManager.enabled", true);
+
+// enable storage access API
+pref("dom.storage_access.enabled", true);
+
+// Inherit locale from the OS, used for multi-locale builds
+pref("intl.locale.requested", "");
+
+// Enable Safe Browsing blocklist updates
+pref("browser.safebrowsing.features.phishing.update", true);
+pref("browser.safebrowsing.features.malware.update", true);
+
+// Enable Tracking Protection blocklist updates
+pref("browser.safebrowsing.features.trackingAnnotation.update", true);
+pref("browser.safebrowsing.features.trackingProtection.update", true);
+
+// Enable cryptomining protection blocklist updates
+pref("browser.safebrowsing.features.cryptomining.update", true);
+// Enable fingerprinting protection blocklist updates
+pref("browser.safebrowsing.features.fingerprinting.update", true);
+
+// Enable autoplay permission prompts
+pref("media.geckoview.autoplay.request", true);
+
+// Enable EME permission prompts
+pref("media.eme.require-app-approval", true);
+
+// Enable the Process Priority Manager
+pref("dom.ipc.processPriorityManager.enabled", true);
+
+pref("signon.debug", false);
+pref("signon.showAutoCompleteFooter", true);
+pref("toolkit.autocomplete.delegate", true);
+
+// Android doesn't support the new sync storage yet, we will have our own in
+// Bug 1625257.
+pref("webextensions.storage.sync.kinto", true);
+
+// This value is derived from the calculation:
+// MOZ_ANDROID_CONTENT_SERVICE_COUNT - dom.ipc.processCount
+// (dom.ipc.processCount is set in GeckoRuntimeSettings.java)
+pref("dom.ipc.processCount.webCOOP+COEP", 38);
+
+// Form autofill prefs.
+pref("extensions.formautofill.addresses.capture.enabled", true);
+
+// Debug prefs.
+pref("browser.formfill.debug", false);
+pref("extensions.formautofill.loglevel", "Warn");
+
+#ifdef NIGHTLY_BUILD
+// PDF.js (enabled in StaticPrefList.yaml)
+// Try to convert PDFs sent as octet-stream
+pref("pdfjs.handleOctetStream", true);
+pref("browser.download.open_pdf_attachments_inline", true);
+pref("pdfjs.annotationEditorMode", -1);
+#else
+pref("pdfjs.disabled", true);
+#endif
diff --git a/mobile/android/app/mobile.js b/mobile/android/app/mobile.js
new file mode 100644
index 0000000000..aebd4015e2
--- /dev/null
+++ b/mobile/android/app/mobile.js
@@ -0,0 +1,613 @@
+#filter dumbComments emptyLines substitution
+
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+// Non-static prefs that are specific to Firefox on Android belong in this file
+// (unless there is a compelling and documented reason for them to belong in
+// another file).
+//
+// Please indent all prefs defined within #ifdef/#ifndef conditions. This
+// improves readability, particular for conditional blocks that exceed a single
+// screen.
+
+// For browser.js element
+//
+// cacheRatio* is a ratio that determines the amount of pixels to cache. The
+// ratio is multiplied by the viewport width or height to get the displayport's
+// width or height, respectively.
+//
+// (divide integer value by 1000 to get the ratio)
+//
+// For instance: cachePercentageWidth is 1500
+//               viewport height is 500
+//               => display port height will be 500 * 1.5 = 750
+//
+pref("toolkit.browser.cacheRatioWidth", 2000);
+pref("toolkit.browser.cacheRatioHeight", 3000);
+
+// How long before a content view (a handle to a remote scrollable object)
+// expires.
+pref("toolkit.browser.contentViewExpire", 3000);
+
+pref("toolkit.defaultChromeURI", "chrome://geckoview/content/geckoview.xhtml");
+pref("browser.chromeURL", "chrome://browser/content/");
+
+// If a tab has not been active for this long (seconds), then it may be
+// turned into a zombie tab to preemptively free up memory. -1 disables time-based
+// expiration (but low-memory conditions may still require the tab to be zombified).
+pref("browser.tabs.expireTime", 900);
+
+// Disables zombification of background tabs under memory pressure.
+// Intended for use in testing, where we don't want the tab running the
+// test harness code to be zombified.
+pref("browser.tabs.disableBackgroundZombification", false);
+
+// Control whether tab content should try to load from disk cache when network
+// is offline.
+// Controlled by Switchboard experiment "offline-cache".
+pref("browser.tabs.useCache", false);
+
+pref("toolkit.zoomManager.zoomValues", ".2,.3,.5,.67,.8,.9,1,1.1,1.2,1.33,1.5,1.7,2,2.4,3,4");
+
+// The default fallback zoom level to render pages at. Set to -1 to fit page; otherwise
+// the value is divided by 1000 and clamped to hard-coded min/max scale values.
+pref("browser.viewport.defaultZoom", -1);
+
+// Show/Hide scrollbars when active/inactive
+pref("ui.useOverlayScrollbars", 1);
+pref("ui.scrollbarFadeBeginDelay", 450);
+pref("ui.scrollbarFadeDuration", 0);
+
+pref("browser.cache.memory_limit", 5120); // 5 MB
+
+/* image cache prefs */
+pref("image.cache.size", 1048576); // bytes
+
+/* offline cache prefs */
+pref("browser.offline-apps.notify", true);
+pref("browser.cache.offline.capacity", 5120); // kilobytes
+
+/* disable some protocol warnings */
+pref("network.protocol-handler.warn-external.tel", false);
+pref("network.protocol-handler.warn-external.sms", false);
+pref("network.protocol-handler.warn-external.mailto", false);
+pref("network.protocol-handler.warn-external.vnd.youtube", false);
+
+/* http prefs */
+pref("network.http.keep-alive.timeout", 109);
+pref("network.http.max-persistent-connections-per-server", 6);
+pref("network.http.max-persistent-connections-per-proxy", 20);
+
+// spdy
+pref("network.http.http2.push-allowance", 32768);
+pref("network.http.http2.default-hpack-buffer", 4096); // 4k
+
+// http3
+pref("network.http.http3.default-qpack-table-size", 0);
+
+// See bug 545869 for details on why these are set the way they are
+pref("network.buffer.cache.count", 24);
+pref("network.buffer.cache.size",  16384);
+
+// predictive actions
+pref("network.predictor.max-db-size", 2097152); // bytes
+pref("network.predictor.preserve", 50); // percentage of predictor data to keep when cleaning up
+
+// Use JS mDNS as a fallback
+pref("network.mdns.use_js_fallback", false);
+
+// CookieBehavior setting for the private browsing.
+pref("network.cookie.cookieBehavior.pbmode", 4);
+
+/* How many times should have passed before the remote tabs list is refreshed */
+pref("browser.display.remotetabs.timeout", 10);
+
+/* session history */
+pref("browser.sessionhistory.max_total_viewers", -1);
+pref("browser.sessionhistory.max_entries", 50);
+pref("browser.sessionhistory.contentViewerTimeout", 360);
+pref("browser.sessionhistory.bfcacheIgnoreMemoryPressure", false);
+
+/* session store */
+pref("browser.sessionstore.resume_from_crash", true);
+pref("browser.sessionstore.interval", 10000); // milliseconds
+pref("browser.sessionstore.backupInterval", 120000); // milliseconds -> 2 minutes
+pref("browser.sessionstore.max_tabs_undo", 10);
+pref("browser.sessionstore.max_resumed_crashes", 2);
+pref("browser.sessionstore.privacy_level", 0); // saving data: 0 = all, 1 = unencrypted sites, 2 = never
+
+// Download protection lists are not available on Fennec.
+pref("urlclassifier.downloadAllowTable", "");
+pref("urlclassifier.downloadBlockTable", "");
+
+/* these should help performance */
+pref("layout.css.report_errors", false);
+
+/* download manager (don't show the window or alert) */
+pref("browser.download.useDownloadDir", true);
+pref("browser.download.folderList", 1); // Default to ~/Downloads
+pref("browser.download.manager.addToRecentDocs", true);
+
+/* download helper */
+pref("browser.helperApps.deleteTempFileOnExit", false);
+
+/* password manager */
+pref("signon.firefoxRelay.feature", "not available");
+pref("signon.rememberSignons", true);
+pref("signon.expireMasterPassword", false);
+pref("signon.debug", false);
+
+/* form helper (scroll to and optionally zoom into editable fields)  */
+pref("formhelper.autozoom", true);
+
+/* autocomplete */
+pref("browser.formfill.enable", true);
+
+/* spellcheck */
+pref("layout.spellcheckDefault", 0);
+
+/* extension manager and xpinstall */
+pref("xpinstall.whitelist.fileRequest", false);
+pref("xpinstall.whitelist.add", "https://addons.mozilla.org");
+
+pref("extensions.langpacks.signatures.required", true);
+pref("xpinstall.signatures.required", true);
+
+// Use blocklist v2 until blocklist v3 is enabled on Android - bug 1639050
+pref("extensions.blocklist.useMLBF", false);
+
+// Whether MV3 restrictions for actions popup urls should be extended to MV2 extensions
+// (only allowing same extension urls to be used as action popup urls).
+pref("extensions.manifestV2.actionsPopupURLRestricted", true);
+
+// Disable add-ons that are not installed by the user in all scopes by default (See the SCOPE
+// constants in AddonManager.jsm for values to use here, and Bug 1405528 for a rationale).
+pref("extensions.autoDisableScopes", 15);
+
+pref("extensions.enabledScopes", 5);
+pref("extensions.autoupdate.enabled", true);
+pref("extensions.autoupdate.interval", 86400);
+pref("extensions.update.enabled", true);
+pref("extensions.update.interval", 86400);
+pref("extensions.dss.enabled", false);
+pref("extensions.ignoreMTimeChanges", false);
+pref("extensions.logging.enabled", false);
+pref("extensions.hideInstallButton", true);
+pref("extensions.hideUpdateButton", false);
+pref("extensions.strictCompatibility", false);
+pref("extensions.minCompatibleAppVersion", "11.0");
+
+pref("extensions.update.url", "https://versioncheck.addons.mozilla.org/update/VersionCheck.php?reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%&currentAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%");
+pref("extensions.update.background.url", "https://versioncheck-bg.addons.mozilla.org/update/VersionCheck.php?reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%&currentAppVersion=%CURRENT_APP_VERSION%&updateType=%UPDATE_TYPE%&compatMode=%COMPATIBILITY_MODE%");
+
+/* preferences for the Get Add-ons pane */
+pref("extensions.getAddons.cache.enabled", true);
+pref("extensions.getAddons.search.browseURL", "https://addons.mozilla.org/%LOCALE%/android/search?q=%TERMS%&platform=%OS%&appver=%VERSION%");
+pref("extensions.getAddons.browseAddons", "https://addons.mozilla.org/%LOCALE%/android/collections/4757633/mob/?page=1&collection_sort=-popularity");
+pref("extensions.getAddons.get.url", "https://services.addons.mozilla.org/api/v4/addons/search/?guid=%IDS%&lang=%LOCALE%");
+pref("extensions.getAddons.langpacks.url", "https://services.addons.mozilla.org/api/v4/addons/language-tools/?app=android&type=language&appversion=%VERSION%");
+
+/* preference for the locale picker */
+pref("extensions.getLocales.get.url", "");
+pref("extensions.compatability.locales.buildid", "0");
+
+/* Don't let XPIProvider install distribution add-ons; we do our own thing on mobile. */
+pref("extensions.installDistroAddons", false);
+
+pref("extensions.webextOptionalPermissionPrompts", true);
+
+pref("extensions.experiments.enabled", false);
+
+/* block popups by default, and notify the user about blocked popups */
+pref("dom.disable_open_during_load", true);
+pref("privacy.popups.showBrowserMessage", true);
+
+/* disable opening windows with the dialog feature */
+pref("dom.disable_window_open_dialog_feature", true);
+
+pref("keyword.enabled", true);
+pref("browser.fixup.domainwhitelist.localhost", true);
+
+pref("accessibility.typeaheadfind", false);
+pref("accessibility.typeaheadfind.timeout", 5000);
+pref("accessibility.typeaheadfind.flashBar", 1);
+pref("accessibility.typeaheadfind.linksonly", false);
+pref("accessibility.typeaheadfind.casesensitive", 0);
+pref("accessibility.browsewithcaret_shortcut.enabled", false);
+pref("findbar.matchdiacritics", 0);
+
+// SSL error page behaviour
+pref("browser.ssl_override_behavior", 2);
+pref("browser.xul.error_pages.expert_bad_cert", false);
+
+// disable updating
+pref("browser.search.update", false);
+
+// disable search suggestions by default
+pref("browser.search.suggest.enabled", false);
+pref("browser.search.suggest.prompted", false);
+
+// tell the search service that we don't really expose the "current engine"
+pref("browser.search.noCurrentEngine", true);
+
+// Control media casting & mirroring features
+pref("browser.casting.enabled", true);
+
+// Enable sparse localization by setting a few package locale overrides
+pref("chrome.override_package.global", "browser");
+pref("chrome.override_package.mozapps", "browser");
+pref("chrome.override_package.passwordmgr", "browser");
+
+// disable color management
+pref("gfx.color_management.mode", 0);
+
+// 0=fixed margin, 1=velocity bias, 2=dynamic resolution, 3=no margins, 4=prediction bias
+pref("gfx.displayport.strategy", 1);
+
+// all of the following displayport strategy prefs will be divided by 1000
+// to obtain some multiplier which is then used in the strategy.
+// fixed margin strategy options
+pref("gfx.displayport.strategy_fm.multiplier", -1); // displayport dimension multiplier
+pref("gfx.displayport.strategy_fm.danger_x", -1); // danger zone on x-axis when multiplied by viewport width
+pref("gfx.displayport.strategy_fm.danger_y", -1); // danger zone on y-axis when multiplied by viewport height
+
+// velocity bias strategy options
+pref("gfx.displayport.strategy_vb.multiplier", -1); // displayport dimension multiplier
+pref("gfx.displayport.strategy_vb.threshold", -1); // velocity threshold in inches/frame
+pref("gfx.displayport.strategy_vb.reverse_buffer", -1); // fraction of buffer to keep in reverse direction from scroll
+pref("gfx.displayport.strategy_vb.danger_x_base", -1); // danger zone on x-axis when multiplied by viewport width
+pref("gfx.displayport.strategy_vb.danger_y_base", -1); // danger zone on y-axis when multiplied by viewport height
+pref("gfx.displayport.strategy_vb.danger_x_incr", -1); // additional danger zone on x-axis when multiplied by viewport width and velocity
+pref("gfx.displayport.strategy_vb.danger_y_incr", -1); // additional danger zone on y-axis when multiplied by viewport height and velocity
+
+// prediction bias strategy options
+pref("gfx.displayport.strategy_pb.threshold", -1); // velocity threshold in inches/frame
+
+// don't allow JS to move and resize existing windows
+pref("dom.disable_window_move_resize", true);
+
+// open in tab preferences
+// 0=default window, 1=current window/tab, 2=new window, 3=new tab in most window
+pref("browser.link.open_external", 3);
+pref("browser.link.open_newwindow", 3);
+// 0=force all new windows to tabs, 1=don't force, 2=only force those with no features set
+pref("browser.link.open_newwindow.restriction", 0);
+
+// show images option
+// 0=never, 1=always, 2=cellular-only
+pref("browser.image_blocking", 1);
+
+// controls which bits of private data to clear. by default we clear them all.
+pref("privacy.item.cache", true);
+pref("privacy.item.cookies", true);
+pref("privacy.item.offlineApps", true);
+pref("privacy.item.history", true);
+pref("privacy.item.searchHistory", true);
+pref("privacy.item.formdata", true);
+pref("privacy.item.downloads", true);
+pref("privacy.item.passwords", true);
+pref("privacy.item.sessions", true);
+pref("privacy.item.geolocation", true);
+pref("privacy.item.siteSettings", true);
+pref("privacy.item.syncAccount", true);
+
+// content sink control -- controls responsiveness during page load
+// see https://bugzilla.mozilla.org/show_bug.cgi?id=481566#c9
+//pref("content.sink.enable_perf_mode",  2); // 0 - switch, 1 - interactive, 2 - perf
+//pref("content.sink.pending_event_mode", 0);
+//pref("content.sink.perf_deflect_count", 1000000);
+//pref("content.sink.perf_parse_time", 50000000);
+
+pref("javascript.options.mem.high_water_mark", 32);
+
+pref("dom.max_script_run_time", 20);
+
+// Absolute path to the devtools unix domain socket file used
+// to communicate with a usb cable via adb forward.
+pref("devtools.debugger.unix-domain-socket", "@ANDROID_PACKAGE_NAME@/firefox-debugger-socket");
+
+pref("devtools.remote.usb.enabled", false);
+pref("devtools.remote.wifi.enabled", false);
+
+// Maximum distance from the point where the user pressed where we still
+// look for text to select
+pref("browser.ui.selection.distance", 250);
+
+// plugins
+pref("plugin.disable", true);
+pref("dom.ipc.plugins.enabled", false);
+
+// product URLs
+// The breakpad report server to link to in about:crashes
+pref("breakpad.reportURL", "https://crash-stats.mozilla.org/report/index/");
+
+pref("app.support.baseURL", "https://support.mozilla.org/1/mobile/%VERSION%/%OS%/%LOCALE%/");
+pref("app.supportURL", "https://support.mozilla.org/1/mobile/%VERSION%/%OS%/%LOCALE%/mobile-help");
+pref("app.faqURL", "https://support.mozilla.org/1/mobile/%VERSION%/%OS%/%LOCALE%/faq");
+
+// URL for feedback page
+// This should be kept in sync with the "feedback_link" string defined in strings.xml.in
+pref("app.feedbackURL", "https://input.mozilla.org/feedback/android/%VERSION%/%CHANNEL%/?utm_source=feedback-prompt");
+
+pref("app.privacyURL", "https://www.mozilla.org/privacy/firefox/");
+pref("app.creditsURL", "https://www.mozilla.org/credits/");
+pref("app.channelURL", "https://www.mozilla.org/%LOCALE%/firefox/channel/");
+#if MOZ_UPDATE_CHANNEL == aurora
+  pref("app.releaseNotesURL", "https://www.mozilla.com/%LOCALE%/mobile/%VERSION%/auroranotes/");
+#elif MOZ_UPDATE_CHANNEL == beta
+  pref("app.releaseNotesURL", "https://www.mozilla.com/%LOCALE%/mobile/%VERSION%beta/releasenotes/");
+#else
+  pref("app.releaseNotesURL", "https://www.mozilla.com/%LOCALE%/mobile/%VERSION%/releasenotes/");
+#endif
+
+// Name of alternate about: page for certificate errors (when undefined, defaults to about:neterror)
+pref("security.alternate_certificate_error_page", "certerror");
+
+// Enable pinning
+pref("security.cert_pinning.enforcement_level", 1);
+
+/* prefs used by the update timer system (including blocklist pings) */
+pref("app.update.timerFirstInterval", 30000); // milliseconds
+pref("app.update.timerMinimumDelay", 30); // seconds
+
+// used by update service to decide whether or not to
+// automatically download an update
+pref("app.update.autodownload", "wifi");
+pref("app.update.url.android", "https://aus5.mozilla.org/update/4/%PRODUCT%/%VERSION%/%BUILD_ID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/%MOZ_VERSION%/update.xml");
+
+#ifdef MOZ_UPDATER
+  /* prefs used specifically for updating the app */
+  pref("app.update.channel", "@MOZ_UPDATE_CHANNEL@");
+#endif
+
+pref("layers.async-video.enabled", true);
+
+// APZ physics settings (fling acceleration, fling curving and axis lock) have
+// been reviewed by UX
+pref("apz.axis_lock.breakout_angle", "0.7853982");    // PI / 4 (45 degrees)
+pref("apz.axis_lock.mode", 1); // Use "strict" axis locking
+pref("apz.content_response_timeout", 600);
+pref("apz.drag.enabled", false);
+pref("apz.fling_curve_function_x1", "0.59");
+pref("apz.fling_curve_function_y1", "0.46");
+pref("apz.fling_curve_function_x2", "0.05");
+pref("apz.fling_curve_function_y2", "1.00");
+pref("apz.fling_curve_threshold_inches_per_ms", "0.01");
+// apz.fling_friction and apz.fling_stopped_threshold are currently ignored by Fennec.
+pref("apz.fling_friction", "0.004");
+pref("apz.fling_stopped_threshold", "0.0");
+pref("apz.max_velocity_inches_per_ms", "0.07");
+pref("apz.overscroll.enabled", true);
+pref("apz.second_tap_tolerance", "0.3");
+pref("apz.touch_move_tolerance", "0.03");
+pref("apz.touch_start_tolerance", "0.06");
+
+pref("notification.feature.enabled", true);
+
+// prevent tooltips from showing up
+pref("browser.chrome.toolbar_tips", false);
+
+// don't allow meta-refresh when backgrounded
+pref("browser.meta_refresh_when_inactive.disabled", true);
+
+// On mobile we throttle the download once the readahead_limit is hit
+// if we're using a cellular connection, even if the download is slow.
+// This is to preserve battery and data.
+pref("media.throttle-cellular-regardless-of-download-rate", true);
+
+// Number of video frames we buffer while decoding video.
+// On Android this is decided by a similar value which varies for
+// each OMX decoder |OMX_PARAM_PORTDEFINITIONTYPE::nBufferCountMin|. This
+// number must be less than the OMX equivalent or gecko will think it is
+// chronically starved of video frames. All decoders seen so far have a value
+// of at least 4.
+pref("media.video-queue.default-size", 3);
+// The maximum number of queued frames to send to the compositor.
+// On Android, it needs to be throttled because SurfaceTexture contains only one
+// (the most recent) image data.
+pref("media.video-queue.send-to-compositor-size", 1);
+
+pref("media.mediadrm-widevinecdm.visible", true);
+
+// Enable WebSpeech speech synthesis
+pref("media.webspeech.synth.enabled", true);
+
+// OpenH264 is visible in about:plugins, and enabled, by default.
+pref("media.gmp-gmpopenh264.visible", true);
+pref("media.gmp-gmpopenh264.enabled", true);
+
+// Disable future downloads of OpenH264 on Android
+pref("media.gmp-gmpopenh264.autoupdate", false);
+
+// The download protection UI is not implemented yet (bug 1239094).
+pref("browser.safebrowsing.downloads.enabled", false);
+
+// The application reputation lists are not available on Android.
+pref("urlclassifier.downloadAllowTable", "");
+pref("urlclassifier.downloadBlockTable", "");
+
+// The Potentially Harmful Apps list replaces the malware one on Android.
+pref("urlclassifier.malwareTable", "goog-harmful-proto,goog-unwanted-proto,moztest-harmful-simple,moztest-malware-simple,moztest-unwanted-simple");
+
+// True if you always want dump() to work
+//
+// On Android, you also need to do the following for the output
+// to show up in logcat:
+//
+// $ adb shell stop
+// $ adb shell setprop log.redirect-stdio true
+// $ adb shell start
+pref("browser.dom.window.dump.enabled", true);
+pref("devtools.console.stdout.chrome", true);
+
+// controls if we want camera support
+pref("device.camera.enabled", true);
+pref("media.realtime_decoder.enabled", true);
+
+pref("full-screen-api.enabled", true);
+
+// This fraction in 1000ths of velocity remains after every animation frame when the velocity is low.
+pref("ui.scrolling.friction_slow", -1);
+// This fraction in 1000ths of velocity remains after every animation frame when the velocity is high.
+pref("ui.scrolling.friction_fast", -1);
+// The maximum velocity change factor between events, per ms, in 1000ths.
+// Direction changes are excluded.
+pref("ui.scrolling.max_event_acceleration", -1);
+// The rate of deceleration when the surface has overscrolled, in 1000ths.
+pref("ui.scrolling.overscroll_decel_rate", -1);
+// The fraction of the surface which can be overscrolled before it must snap back, in 1000ths.
+pref("ui.scrolling.overscroll_snap_limit", -1);
+// The minimum amount of space that must be present for an axis to be considered scrollable,
+// in 1/1000ths of pixels.
+pref("ui.scrolling.min_scrollable_distance", -1);
+// The axis lock mode for panning behaviour - set between standard, free and sticky
+pref("ui.scrolling.axis_lock_mode", "standard");
+// Determine the dead zone for gamepad joysticks. Higher values result in larger dead zones; use a negative value to
+// auto-detect based on reported hardware values
+pref("ui.scrolling.gamepad_dead_zone", 115);
+
+// Prefs for fling acceleration
+pref("ui.scrolling.fling_accel_interval", -1);
+pref("ui.scrolling.fling_accel_base_multiplier", -1);
+pref("ui.scrolling.fling_accel_supplemental_multiplier", -1);
+
+// Prefs for fling curving
+pref("ui.scrolling.fling_curve_function_x1", -1);
+pref("ui.scrolling.fling_curve_function_y1", -1);
+pref("ui.scrolling.fling_curve_function_x2", -1);
+pref("ui.scrolling.fling_curve_function_y2", -1);
+pref("ui.scrolling.fling_curve_threshold_velocity", -1);
+pref("ui.scrolling.fling_curve_max_velocity", -1);
+pref("ui.scrolling.fling_curve_newton_iterations", -1);
+
+// Enable accessibility mode if platform accessibility is enabled.
+pref("accessibility.accessfu.activate", 2);
+pref("accessibility.accessfu.quicknav_modes", "Link,Heading,FormElement,Landmark,ListItem");
+// Active quicknav mode, index value of list from quicknav_modes
+pref("accessibility.accessfu.quicknav_index", 0);
+// Setting for an utterance order (0 - description first, 1 - description last).
+pref("accessibility.accessfu.utterance", 1);
+// Whether to skip images with empty alt text
+pref("accessibility.accessfu.skip_empty_images", true);
+
+// Transmit UDP busy-work to the LAN when anticipating low latency
+// network reads and on wifi to mitigate 802.11 Power Save Polling delays
+pref("network.tickle-wifi.enabled", true);
+
+// Mobile manages state by autodetection
+pref("network.manage-offline-status", true);
+
+// Media plugins for libstagefright playback on android
+pref("media.plugins.enabled", true);
+
+// Stagefright's OMXCodec::CreationFlags. The interesting flag values are:
+//  0 = Let Stagefright choose hardware or software decoding (default)
+//  8 = Force software decoding
+// 16 = Force hardware decoding
+pref("media.stagefright.omxcodec.flags", 0);
+
+// Location Bar AutoComplete.
+pref("browser.urlbar.autocomplete.enabled", true);
+
+// Hide common parts of URLs like "www." or "http://"
+pref("browser.urlbar.trimURLs", true);
+
+// Shortnumber matching needed for e.g. Brazil:
+// 01187654321 can be found with 87654321
+pref("dom.phonenumber.substringmatching.BR", 8);
+pref("dom.phonenumber.substringmatching.CO", 10);
+pref("dom.phonenumber.substringmatching.VE", 7);
+
+pref("gfx.canvas.azure.backends", "skia");
+
+// When true, phone number linkification is enabled.
+pref("browser.ui.linkify.phone", false);
+
+// Enables/disables Spatial Navigation
+pref("snav.enabled", true);
+
+// The mode of home provider syncing.
+// 0: Sync always
+// 1: Sync only when on wifi
+pref("home.sync.updateMode", 0);
+
+// How frequently to check if we should sync home provider data.
+pref("home.sync.checkIntervalSecs", 3600);
+
+// Enable device storage API
+pref("device.storage.enabled", true);
+
+// Enable meta-viewport support for font inflation code
+pref("dom.meta-viewport.enabled", true);
+
+// Enable GMP support in the addon manager.
+pref("media.gmp-provider.enabled", true);
+
+// The default color scheme in reader mode (light, dark, auto)
+// auto = color automatically adjusts according to ambient light level
+// (auto only works on platforms where the 'devicelight' event is enabled)
+// auto doesn't work: https://bugzilla.mozilla.org/show_bug.cgi?id=1472957
+// pref("reader.color_scheme", "auto");
+pref("reader.color_scheme", "light");
+
+// Color scheme values available in reader mode UI.
+// pref("reader.color_scheme.values", "[\"dark\",\"auto\",\"light\"]");
+pref("reader.color_scheme.values", "[\"dark\",\"sepia\",\"light\"]");
+
+// Whether to use a vertical or horizontal toolbar.
+pref("reader.toolbar.vertical", false);
+
+// Telemetry settings.
+// Whether to use the unified telemetry behavior, requires a restart.
+pref("toolkit.telemetry.unified", false);
+
+// AccessibleCaret CSS for the Android L style assets.
+pref("layout.accessiblecaret.width", "22.0");
+pref("layout.accessiblecaret.height", "22.0");
+pref("layout.accessiblecaret.margin-left", "-11.5");
+
+// Android needs to show the caret when long tapping on an empty content.
+pref("layout.accessiblecaret.caret_shown_when_long_tapping_on_empty_content", true);
+
+// Androids carets are always tilt to match the text selection guideline.
+pref("layout.accessiblecaret.always_tilt", true);
+
+// Update any visible carets for selection changes due to JS calls,
+// but don't show carets if carets are hidden.
+pref("layout.accessiblecaret.script_change_update_mode", 1);
+
+// Optionally provide haptic feedback on longPress selection events.
+pref("layout.accessiblecaret.hapticfeedback", true);
+
+// Initial text selection on long-press is enhanced to provide
+// a smarter phone-number selection for direct-dial ActionBar action.
+pref("layout.accessiblecaret.extend_selection_for_phone_number", true);
+
+pref("dom.serviceWorkers.enabled", true);
+
+// Allow service workers to open windows for a longer period after a notification
+// click on mobile.  This is to account for some devices being quite slow.
+pref("dom.serviceWorkers.disable_open_click_delay", 5000);
+
+pref("dom.push.debug", false);
+pref("dom.push.maxRecentMessageIDsPerSubscription", 0);
+
+pref("dom.audiochannel.mediaControl", true);
+
+pref("media.openUnsupportedTypeWithExternalApp", true);
+
+// Ask for permission when enumerating WebRTC devices.
+pref("media.navigator.permission.device", true);
+
+// Allow system add-on updates
+pref("extensions.systemAddon.update.url", "https://aus5.mozilla.org/update/3/SystemAddons/%VERSION%/%BUILD_ID%/%BUILD_TARGET%/%LOCALE%/%CHANNEL%/%OS_VERSION%/%DISTRIBUTION%/%DISTRIBUTION_VERSION%/update.xml");
+pref("extensions.systemAddon.update.enabled", true);
+
+// E10s stuff. We don't support 'privileged' process types.
+pref("browser.tabs.remote.separatePrivilegedContentProcess", false);
+pref("browser.tabs.remote.enforceRemoteTypeRestrictions", false);
+
+// Allow Web Authentication
+pref("security.webauth.webauthn_enable_android_fido2", true);
diff --git a/mobile/android/app/moz.build b/mobile/android/app/moz.build
new file mode 100644
index 0000000000..21fa8617c5
--- /dev/null
+++ b/mobile/android/app/moz.build
@@ -0,0 +1,40 @@
+# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
+# vim: set filetype=python:
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+with Files("**"):
+    BUG_COMPONENT = ("GeckoView", "General")
+
+for var in ("APP_NAME", "APP_VERSION"):
+    DEFINES[var] = CONFIG["MOZ_%s" % var]
+
+for var in ("MOZ_UPDATER", "MOZ_APP_UA_NAME", "ANDROID_PACKAGE_NAME", "CPU_ARCH"):
+    DEFINES[var] = CONFIG[var]
+
+if CONFIG["MOZ_PKG_SPECIAL"]:
+    DEFINES["MOZ_PKG_SPECIAL"] = CONFIG["MOZ_PKG_SPECIAL"]
+
+JS_PREFERENCE_PP_FILES += [
+    "mobile.js",
+]
+
+if not CONFIG["MOZ_ANDROID_FAT_AAR_ARCHITECTURES"]:
+    # Equivalent to JS_PREFERENCE_PP_FILES[CONFIG['ANDROID_CPU_ARCH']],
+    # which isn't supported out of the box.
+    FINAL_TARGET_PP_FILES.defaults.pref[CONFIG["ANDROID_CPU_ARCH"]] += [
+        "geckoview-prefs.js",
+    ]
+else:
+    for arch in CONFIG["MOZ_ANDROID_FAT_AAR_ARCHITECTURES"]:
+        FINAL_TARGET_FILES.defaults.pref[arch] += [
+            "!/dist/fat-aar/output/defaults/pref/{arch}/geckoview-prefs.js".format(
+                arch=arch
+            ),
+        ]
+
+if CONFIG["MOZ_ANDROID_GOOGLE_VR"]:
+    FINAL_TARGET_FILES += [
+        "/" + CONFIG["MOZ_ANDROID_GOOGLE_VR_LIBS"] + "libgvr.so",
+    ]
diff --git a/mobile/android/app/omnijar/build.gradle b/mobile/android/app/omnijar/build.gradle
new file mode 100644
index 0000000000..10a61d7975
--- /dev/null
+++ b/mobile/android/app/omnijar/build.gradle
@@ -0,0 +1,34 @@
+buildDir "${topobjdir}/gradle/build/mobile/android/omnijar"
+
+apply plugin: 'java'
+
+// This project is a dummy project; the JAR produced is not used.  The root
+// project uses the set of inputs here to check if the omnijar needs to be
+// rebuilt.  By listing them here as resource directories, IntelliJ labels each
+// checked directly nicely.  Why list the directories here?  There's a mismatch
+// between SourceDirectorySet and TaskInputs: the former is directory oriented,
+// while the latter is more general.  That means its easy to convert this list
+// into inputs for the root project, but not vice-versa.  Sadly this would mean
+// that the root project evaluation depends on :omnijar, so we duplicate in the
+// root project.
+sourceSets {
+    main {
+        // These are supposed to be files that go into the omnijar.  But yes,
+        // toolkit/ has lots of native code.
+        resources {
+            srcDir "${topsrcdir}/mobile/android/chrome"
+            srcDir "${topsrcdir}/mobile/android/components"
+            srcDir "${topsrcdir}/mobile/android/locales"
+            srcDir "${topsrcdir}/mobile/android/modules"
+            srcDir "${topsrcdir}/mobile/android/themes"
+            srcDir "${topsrcdir}/toolkit"
+        }
+    }
+}
+
+apply plugin: 'idea'
+
+idea {
+    module {
+    }
+}