diff -r 000000000000 -r 6474c204b198 mobile/android/base/sync/net/ConnectionMonitorThread.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobile/android/base/sync/net/ConnectionMonitorThread.java	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,44 @@
+/* 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 org.mozilla.gecko.background.common.log.Logger;
+
+/**
+ * Every <code>REAP_INTERVAL</code> milliseconds, wake up
+ * and expire any connections that need cleaning up.
+ *
+ * When we're told to shut down, take the connection manager
+ * with us.
+ */
+public class ConnectionMonitorThread extends Thread {
+  private static final long REAP_INTERVAL = 5000;     // 5 seconds.
+  private static final String LOG_TAG = "ConnectionMonitorThread";
+
+  private volatile boolean stopping;
+
+  @Override
+  public void run() {
+    try {
+      while (!stopping) {
+        synchronized (this) {
+          wait(REAP_INTERVAL);
+          BaseResource.closeExpiredConnections();
+        }
+      }
+    } catch (InterruptedException e) {
+      Logger.trace(LOG_TAG, "Interrupted.");
+    }
+    BaseResource.shutdownConnectionManager();
+  }
+
+  public void shutdown() {
+    Logger.debug(LOG_TAG, "ConnectionMonitorThread told to shut down.");
+    stopping = true;
+    synchronized (this) {
+      notifyAll();
+    }
+  }
+}