diff -r 000000000000 -r 6474c204b198 mobile/android/base/sync/net/BasicAuthHeaderProvider.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/sync/net/BasicAuthHeaderProvider.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,51 @@
+/* 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.sync.net;
+
+import ch.boye.httpclientandroidlib.Header;
+import ch.boye.httpclientandroidlib.auth.Credentials;
+import ch.boye.httpclientandroidlib.auth.UsernamePasswordCredentials;
+import ch.boye.httpclientandroidlib.client.methods.HttpRequestBase;
+import ch.boye.httpclientandroidlib.impl.auth.BasicScheme;
+import ch.boye.httpclientandroidlib.impl.client.DefaultHttpClient;
+import ch.boye.httpclientandroidlib.protocol.BasicHttpContext;
+
+/**
+ * An <code>AuthHeaderProvider</code> that returns an HTTP Basic auth header.
+ */
+public class BasicAuthHeaderProvider implements AuthHeaderProvider {
+  protected final String credentials;
+
+  /**
+   * Constructor.
+   *
+   * @param credentials string in form "user:pass".
+   */
+  public BasicAuthHeaderProvider(String credentials) {
+    this.credentials = credentials;
+  }
+
+  /**
+   * Constructor.
+   *
+   * @param user username.
+   * @param pass password.
+   */
+  public BasicAuthHeaderProvider(String user, String pass) {
+    this(user + ":" + pass);
+  }
+
+  /**
+   * Return a Header object representing an Authentication header for HTTP
+   * Basic.
+   */
+  @Override
+  public Header getAuthHeader(HttpRequestBase request, BasicHttpContext context, DefaultHttpClient client) {
+    Credentials creds = new UsernamePasswordCredentials(credentials);
+
+    // This must be UTF-8 to generate the same Basic Auth headers as desktop for non-ASCII passwords.
+    return BasicScheme.authenticate(creds, "UTF-8", false);
+  }
+}