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

infra/bots/flavor/cmake_flavor.py

+#!/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
+
+
+"""CMake flavor utils, used for building Skia with CMake."""
+
+
+class CMakeFlavorUtils(default_flavor.DefaultFlavorUtils):
+  def compile(self, target):
+    """Build Skia with CMake.  Ignores `target`."""
+    cmake_build = os.path.join(self._bot_info.skia_dir, 'cmake', 'cmake_build')
+    self._bot_info.run([cmake_build, target])