Add support for python pageset

tools/telemetry/telemetry/core/util.py

Index: tools/telemetry/telemetry/core/util.py
diff --git a/tools/telemetry/telemetry/core/util.py b/tools/telemetry/telemetry/core/util.py
index 55a286327fb6eb6e4e46c2439d62fbe5daea3dc4..e44bd26ffb04226f1024088308388f5d47f96aa1 100644
--- a/tools/telemetry/telemetry/core/util.py
+++ b/tools/telemetry/telemetry/core/util.py
@@ -1,6 +1,7 @@
 # Copyright (c) 2012 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.
+import imp
 import inspect
 import logging
 import os
@@ -39,6 +40,14 @@ def AddDirToPythonPath(*path_parts):
   if os.path.isdir(path) and path not in sys.path:
     sys.path.append(path)
 
+_counter = [0]
+def _GetUniqueModuleName():
+  _counter[0] += 1
+  return "page_set_module_" + str(_counter[0])
+
+def GetPythonPageSetModule(file_path):
+  return imp.load_source(_GetUniqueModuleName(), file_path)
+
 
 def WaitFor(condition, timeout):
   """Waits for up to |timeout| secs for the function |condition| to return True.