Revert of Add SkCodec, including PNG implementation.

gyp/copy_file.py

-#!/usr/bin/python
-
-# Copyright 2015 Google Inc.
-#
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-"""
-Copy a file.
-"""
-
-import argparse
-import os
-import shutil
-
-if __name__ == '__main__':
-  parser = argparse.ArgumentParser()
-  parser.add_argument('src', help='File to copy.')
-  parser.add_argument('dst', help='Location to copy to.')
-  args = parser.parse_args()
-
-  src = os.path.abspath(os.path.join(os.getcwd(), args.src))
-  dst = os.path.abspath(os.path.join(os.getcwd(), args.dst))
-
-  print 'Copying from %s to %s' % (src, dst)
-
-  src_dir = os.path.dirname(src)
-  if not os.path.exists(src_dir):
-    raise AssertionError('src directory %s does not exist!' % src_dir)
-
-  if not os.path.exists(src):
-    raise AssertionError('file to copy %s does not exist' % src)
-
-  dst_dir = os.path.dirname(dst)
-  if not os.path.exists(dst_dir):
-    print 'dst directory %s does not exist! creating it!' % dst_dir
-    os.makedirs(dst_dir)
-
-  shutil.copyfile(src, dst)