Move Skia recipes from build repo

infra/bots/recipe_modules/skia/valgrind_flavor.py

+# Copyright 2014 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 default_flavor
+
+
+"""Utils for running under Valgrind."""
+
+
+class ValgrindFlavorUtils(default_flavor.DefaultFlavorUtils):
+  def __init__(self, *args, **kwargs):
+    super(ValgrindFlavorUtils, self).__init__(*args, **kwargs)
+    self._suppressions_file = self._skia_api.skia_dir.join(
+        '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 = self.out_dir.join(cmd[0])
+    new_cmd.append(path_to_app)
+    new_cmd.extend(cmd[1:])
+    return self._skia_api.run(self._skia_api.m.step, name, cmd=new_cmd,
+                              **kwargs)
+