Set up an stunnel endpoint for the engine.

blimp/engine/start_engine.sh

Index: blimp/engine/start_engine.sh
diff --git a/blimp/engine/start_engine.sh b/blimp/engine/start_engine.sh
new file mode 100755
index 0000000000000000000000000000000000000000..f507c24b2e7fc5810ec97fbeb07f04ac9847c423
--- /dev/null
+++ b/blimp/engine/start_engine.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Copyright 2016 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+stunnel \
+  -p /engine/data/stunnel.pem \
+  -P /engine/stunnel.pid \
+  -d 25466 -r 25467 -f &
+/engine/blimp_engine_app \
+  --disable-gpu \
+  --use-remote-compositing \
+  --disable-cached-picture-raster \
+  --blimp-client-token-path=/engine/data/client_token \
+  $@ &
+
+# Stop execution if either stunnel or blimp_engine_app die.
+wait -n