Port Skia recipe to normal Python scripts, move to Skia repo

infra/bots/flavor/valgrind_flavor.py

Index: infra/bots/flavor/valgrind_flavor.py
diff --git a/infra/bots/flavor/valgrind_flavor.py b/infra/bots/flavor/valgrind_flavor.py
new file mode 100644
index 0000000000000000000000000000000000000000..129a7c08ed8fd463de90e8f85533e7c0e326d6fb
--- /dev/null
+++ b/infra/bots/flavor/valgrind_flavor.py
@@ -0,0 +1,31 @@
+#!/usr/bin/env python
+#
+# Copyright 2016 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+import default_flavor
+import os
+
+
+"""Utils for running under Valgrind."""
+
+
+class ValgrindFlavorUtils(default_flavor.DefaultFlavorUtils):
+  def __init__(self, *args, **kwargs):
+    super(ValgrindFlavorUtils, self).__init__(*args, **kwargs)
+    self._suppressions_file = os.path.join(self._bot_info.skia_dir,
+        'tools', 'valgrind.supp')
+
+  def step(self, name, cmd, **kwargs):
+    new_cmd = ['valgrind', '--gen-suppressions=all', '--leak-check=full',
+               '--track-origins=yes', '--error-exitcode=1', '--num-callers=40',
+               '--suppressions=%s' % self._suppressions_file]
+    path_to_app = os.path.join(self._bot_info.out_dir,
+                               self._bot_info.configuration, cmd[0])
+    new_cmd.append(path_to_app)
+    new_cmd.extend(cmd[1:])
+    return self._bot_info.run(new_cmd, **kwargs)
+