diff -r 000000000000 -r 6474c204b198 mobile/android/base/AppConstants.java.in
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/AppConstants.java.in	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,167 @@
+#filter substitution
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * 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/. */
+
+package org.mozilla.gecko;
+
+import android.app.Activity;
+
+import org.mozilla.gecko.mozglue.RobocopTarget;
+
+/**
+ * A collection of constants that pertain to the build and runtime state of the
+ * application. Typically these are sourced from build-time definitions (see
+ * Makefile.in). This is a Java-side substitute for nsIXULAppInfo, amongst
+ * other things.
+ *
+ * See also SysInfo.java, which includes some of the values available from
+ * nsSystemInfo inside Gecko.
+ */
+@RobocopTarget
+public class AppConstants {
+    public static final String ANDROID_PACKAGE_NAME = "@ANDROID_PACKAGE_NAME@";
+    public static final String MANGLED_ANDROID_PACKAGE_NAME = "@MANGLED_ANDROID_PACKAGE_NAME@";
+
+    /**
+     * The name of the Java class that launches the browser.
+     */
+    public static final String BROWSER_INTENT_CLASS_NAME = ANDROID_PACKAGE_NAME + ".App";
+
+    public static final String GRE_MILESTONE = "@GRE_MILESTONE@";
+
+    public static final String MOZ_APP_ABI = "@MOZ_APP_ABI@";
+    public static final String MOZ_APP_BASENAME = "@MOZ_APP_BASENAME@";
+
+    // For the benefit of future archaeologists: APP_BUILDID and
+    // MOZ_APP_BUILDID are *exactly* the same.
+    // GRE_BUILDID is exactly the same unless you're running on XULRunner,
+    // which is never the case on Android.
+    public static final String MOZ_APP_BUILDID = "@MOZ_APP_BUILDID@";
+    public static final String MOZ_APP_ID = "@MOZ_APP_ID@";
+    public static final String MOZ_APP_NAME = "@MOZ_APP_NAME@";
+    public static final String MOZ_APP_VENDOR = "@MOZ_APP_VENDOR@";
+    public static final String MOZ_APP_VERSION = "@MOZ_APP_VERSION@";
+
+    // MOZILLA_VERSION is already quoted when it gets substituted in. If we
+    // add additional quotes we end up with ""x.y"", which is a syntax error.
+    public static final String MOZILLA_VERSION = @MOZILLA_VERSION@;
+
+    public static final String MOZ_CHILD_PROCESS_NAME = "@MOZ_CHILD_PROCESS_NAME@";
+    public static final String MOZ_UPDATE_CHANNEL = "@MOZ_UPDATE_CHANNEL@";
+    public static final String OMNIJAR_NAME = "@OMNIJAR_NAME@";
+    public static final String OS_TARGET = "@OS_TARGET@";
+    public static final String TARGET_XPCOM_ABI = "@TARGET_XPCOM_ABI@";
+
+    public static final String USER_AGENT_BOT_LIKE = "Redirector/" + AppConstants.MOZ_APP_VERSION +
+        " (Android; rv:" + AppConstants.MOZ_APP_VERSION + ")";
+
+    public static final String USER_AGENT_FENNEC_MOBILE = "Mozilla/5.0 (Android; Mobile; rv:" +
+        AppConstants.MOZ_APP_VERSION + ") Gecko/" +
+        AppConstants.MOZ_APP_VERSION + " Firefox/" +
+        AppConstants.MOZ_APP_VERSION;
+
+    public static final String USER_AGENT_FENNEC_TABLET = "Mozilla/5.0 (Android; Tablet; rv:" +
+        AppConstants.MOZ_APP_VERSION + ") Gecko/" +
+        AppConstants.MOZ_APP_VERSION + " Firefox/" +
+        AppConstants.MOZ_APP_VERSION;
+
+    public static final int MOZ_MIN_CPU_VERSION = @MOZ_MIN_CPU_VERSION@;
+
+    public static final boolean MOZ_ANDROID_ANR_REPORTER =
+#ifdef MOZ_ANDROID_ANR_REPORTER
+    true;
+#else
+    false;
+#endif
+
+    public static final String MOZ_PKG_SPECIAL =
+#ifdef MOZ_PKG_SPECIAL
+    "@MOZ_PKG_SPECIAL@";
+#else
+    null;
+#endif
+
+    public static final boolean MOZ_SERVICES_HEALTHREPORT =
+#ifdef MOZ_SERVICES_HEALTHREPORT
+    true;
+#else
+    false;
+#endif
+
+    public static final boolean MOZ_TELEMETRY_ON_BY_DEFAULT =
+#ifdef MOZ_TELEMETRY_ON_BY_DEFAULT
+    true;
+#else
+    false;
+#endif
+
+    public static final String TELEMETRY_PREF_NAME =
+          "toolkit.telemetry.enabled";
+
+    public static final boolean MOZ_TELEMETRY_REPORTING =
+#ifdef MOZ_TELEMETRY_REPORTING
+    true;
+#else
+    false;
+#endif
+
+    public static final boolean MOZ_CRASHREPORTER =
+#if MOZ_CRASHREPORTER
+    true;
+#else
+    false;
+#endif
+
+    public static final boolean MOZ_DATA_REPORTING =
+#ifdef MOZ_DATA_REPORTING
+      true;
+#else
+    false;
+#endif
+
+    public static final boolean MOZ_UPDATER =
+#ifdef MOZ_UPDATER
+    true;
+#else
+    false;
+#endif
+
+    public static final boolean MOZ_WEBSMS_BACKEND =
+#ifdef MOZ_WEBSMS_BACKEND
+    true;
+#else
+    false;
+#endif
+
+    public static final boolean MOZ_ANDROID_BEAM =
+#ifdef MOZ_ANDROID_BEAM
+    true;
+#else
+    false;
+#endif
+
+    public static final boolean MOZ_ANDROID_SYNTHAPKS =
+#ifdef MOZ_ANDROID_SYNTHAPKS
+    true;
+#else
+    false;
+#endif
+
+    // See this wiki page for more details about channel specific build defines:
+    // https://wiki.mozilla.org/Platform/Channel-specific_build_defines
+    public static final boolean RELEASE_BUILD =
+#ifdef RELEASE_BUILD
+    true;
+#else
+    false;
+#endif
+
+    public static final boolean DEBUG_BUILD =
+#ifdef MOZ_DEBUG
+    true;
+#else
+    false;
+#endif
+}