Update scripts to support git checkouts of CEF and/or Chromium.

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1664 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tools/exec_util.py

@@ -0,0 +1,21 @@
+# Copyright (c) 2014 The Chromium Embedded Framework Authors. All rights
+# reserved. Use of this source code is governed by a BSD-style license that
+# can be found in the LICENSE file
+
+from subprocess import Popen, PIPE
+import sys
+
+def exec_cmd(cmd, path):
+  """ Execute the specified command and return the result. """
+  out = ''
+  err = ''
+  parts = cmd.split()
+  try:
+    process = Popen(cmd, cwd=path, stdout=PIPE, stderr=PIPE,
+                    shell=(sys.platform == 'win32'))
+    out, err = process.communicate()
+  except IOError, (errno, strerror):
+    raise
+  except:
+    raise
+  return {'out': out, 'err': err}