diff --git a/include/update_includes.sh b/include/update_includes.sh
new file mode 100755
index 0000000..6008d59
--- /dev/null
+++ b/include/update_includes.sh
@@ -0,0 +1,79 @@
+#!/bin/bash
+
+#
+# Copyright (C) 2016 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+DBUS_GENERATOR=$(which dbus-binding-generator)
+MY_DIR=$(dirname "$0")
+
+if [[ -z "${ANDROID_HOST_OUT}" ]]; then
+  echo "You must run envsetup.sh and lunch first." >&2
+  exit 1
+fi
+
+if [[ -z "${DBUS_GENERATOR}" ]]; then
+  echo "DBus bindings generator not found." >&2
+  exit 1
+fi
+
+set -e
+
+# generate <kind> <dir> <xml> [xml ...]
+# Generate a DBus proxy and/or proxy mock in the passed |dir| for the provided
+# |xml| service files.
+# The parameter |kind| determines whether it should generate the mock only
+# (mock), the proxy only (proxy) or both (both).
+generate() {
+  local kind="$1"
+  local dir="$2"
+  local xmls=("${@:3}")
+
+  mkdir -p "${MY_DIR}/${dir}"
+  local outdir=$(realpath "${MY_DIR}/${dir}")
+  local proxyh="${outdir}/dbus-proxies.h"
+  local mockh="${outdir}/dbus-proxy-mocks.h"
+
+  ${DBUS_GENERATOR} "${xmls[@]}" --mock="${mockh}" --proxy="${proxyh}"
+
+  # Fix the include path to the dbus-proxies.h to include ${dir}.
+  sed "s,include \"dbus-proxies.h\",include \"${dir}/dbus-proxies.h\"," \
+    -i "${mockh}"
+
+  # Fix the header guards to be independent from the checkout location.
+  local guard=$(realpath "${MY_DIR}/../.." | tr '[:lower:]/ ' '[:upper:]__')
+  for header in "${mockh}" "${proxyh}"; do
+    sed "s,___CHROMEOS_DBUS_BINDING__${guard},___CHROMEOS_DBUS_BINDING__," \
+      -i "${header}"
+  done
+
+  # Remove the files not requested.
+  if [[ "${kind}" ==  "mock" ]]; then
+    rm -f "${proxyh}"
+  elif [[ "${kind}" == "proxy" ]]; then
+    rm -f "${mockh}"
+  fi
+}
+
+UE_DIR=$(realpath "${MY_DIR}/..")
+SHILL_DIR=$(realpath "${UE_DIR}/../connectivity/shill")
+
+generate mock "libcros" \
+  "${UE_DIR}/dbus_bindings/org.chromium.LibCrosService.dbus-xml"
+
+generate mock "shill" \
+  "${SHILL_DIR}"/dbus_bindings/org.chromium.flimflam.{Manager,Service}.dbus-xml
+
+echo "Done."