Refactor dmprof: Split dmprof.py into modules.

tools/deep_memory_profiler/lib/ordered_dict.py

Index: tools/deep_memory_profiler/lib/ordered_dict.py
diff --git a/tools/deep_memory_profiler/lib/ordered_dict.py b/tools/deep_memory_profiler/lib/ordered_dict.py
new file mode 100644
index 0000000000000000000000000000000000000000..f7d053bd34929c9b359a3ec13f2a7f7f46f7fef9
--- /dev/null
+++ b/tools/deep_memory_profiler/lib/ordered_dict.py
@@ -0,0 +1,19 @@
+# Copyright 2013 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.
+
+# TODO(dmikurube): Remove this file once Python 2.7 is required.
+
+import os
+import sys
+
+try:
+  from collections import OrderedDict  # pylint: disable=E0611,W0611
+except ImportError:
+  _BASE_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+  _SIMPLEJSON_PATH = os.path.join(_BASE_PATH,
+                                  os.pardir,
+                                  os.pardir,
+                                  'third_party')
+  sys.path.insert(0, _SIMPLEJSON_PATH)
+  from simplejson import OrderedDict  # pylint: disable=W0611