Remove a bunch of cruft from //build.

build/extract_from_cab.py

Index: build/extract_from_cab.py
diff --git a/build/extract_from_cab.py b/build/extract_from_cab.py
deleted file mode 100755
index 080370ca9adee2dd953456d45d29e1fa7398e12e..0000000000000000000000000000000000000000
--- a/build/extract_from_cab.py
+++ /dev/null
@@ -1,63 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2012 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.
-
-"""Extracts a single file from a CAB archive."""
-
-import os
-import shutil
-import subprocess
-import sys
-import tempfile
-
-def run_quiet(*args):
-  """Run 'expand' suppressing noisy output. Returns returncode from process."""
-  popen = subprocess.Popen(args, stdout=subprocess.PIPE)
-  out, _ = popen.communicate()
-  if popen.returncode:
-    # expand emits errors to stdout, so if we fail, then print that out.
-    print out
-  return popen.returncode
-
-def main():
-  if len(sys.argv) != 4:
-    print 'Usage: extract_from_cab.py cab_path archived_file output_dir'
-    return 1
-
-  [cab_path, archived_file, output_dir] = sys.argv[1:]
-
-  # Expand.exe does its work in a fixed-named temporary directory created within
-  # the given output directory. This is a problem for concurrent extractions, so
-  # create a unique temp dir within the desired output directory to work around
-  # this limitation.
-  temp_dir = tempfile.mkdtemp(dir=output_dir)
-
-  try:
-    # Invoke the Windows expand utility to extract the file.
-    level = run_quiet('expand', cab_path, '-F:' + archived_file, temp_dir)
-    if level == 0:
-      # Move the output file into place, preserving expand.exe's behavior of
-      # paving over any preexisting file.
-      output_file = os.path.join(output_dir, archived_file)
-      try:
-        os.remove(output_file)
-      except OSError:
-        pass
-      os.rename(os.path.join(temp_dir, archived_file), output_file)
-  finally:
-    shutil.rmtree(temp_dir, True)
-
-  if level != 0:
-    return level
-
-  # The expand utility preserves the modification date and time of the archived
-  # file. Touch the extracted file. This helps build systems that compare the
-  # modification times of input and output files to determine whether to do an
-  # action.
-  os.utime(os.path.join(output_dir, archived_file), None)
-  return 0
-
-
-if __name__ == '__main__':
-  sys.exit(main())