diff -r 000000000000 -r 6474c204b198 mobile/android/base/sync/net/ResourceDelegate.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/sync/net/ResourceDelegate.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,55 @@
+/* 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 java.io.IOException;
+import java.security.GeneralSecurityException;
+
+import ch.boye.httpclientandroidlib.HttpResponse;
+import ch.boye.httpclientandroidlib.client.ClientProtocolException;
+import ch.boye.httpclientandroidlib.client.methods.HttpRequestBase;
+import ch.boye.httpclientandroidlib.impl.client.DefaultHttpClient;
+
+/**
+ * ResourceDelegate implementers must ensure that HTTP responses
+ * are fully consumed to ensure that connections are returned to
+ * the pool:
+ *
+ *          EntityUtils.consume(entity);
+ * @author rnewman
+ *
+ */
+public interface ResourceDelegate {
+  // Request augmentation.
+  AuthHeaderProvider getAuthHeaderProvider();
+  void addHeaders(HttpRequestBase request, DefaultHttpClient client);
+
+  /**
+   * The value of the User-Agent header to include with the request.
+   *
+   * @return User-Agent header value; null means do not set User-Agent header.
+   */
+  public String getUserAgent();
+
+  // Response handling.
+
+  /**
+   * Override this to handle an HttpResponse.
+   *
+   * ResourceDelegate implementers <b>must</b> ensure that HTTP responses are
+   * fully consumed to ensure that connections are returned to the pool, for
+   * example by calling <code>EntityUtils.consume(response.getEntity())</code>.
+   */
+  void handleHttpResponse(HttpResponse response);
+  void handleHttpProtocolException(ClientProtocolException e);
+  void handleHttpIOException(IOException e);
+
+  // During preparation.
+  void handleTransportException(GeneralSecurityException e);
+
+  // Connection parameters.
+  int connectionTimeout();
+  int socketTimeout();
+}