Add check_build_deps step to gclient runhooks

build/check-build-deps.py

Index: build/check-build-deps.py
diff --git a/build/check-build-deps.py b/build/check-build-deps.py
new file mode 100755
index 0000000000000000000000000000000000000000..a06fc3529c7ddfd7498a218709894134861bd745
--- /dev/null
+++ b/build/check-build-deps.py
@@ -0,0 +1,16 @@
+#!/usr/bin/env python
+# 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.
+"""Checks that the host environment has the necessary packages installed to
+build chrome.
+"""
+
+import subprocess
+import sys
+
+if sys.platform.startswith('linux'):
+  if subprocess.call(['src/build/install-build-deps.sh', '--quick-check']):
+    print ("Missing build dependencies. "
+           "Try running 'build/install-build-deps.sh'")
+    exit(1)