Remove mojo/tools/, not needed in chromium

mojo/tools/pylib/transitive_hash.py

Index: mojo/tools/pylib/transitive_hash.py
diff --git a/mojo/tools/pylib/transitive_hash.py b/mojo/tools/pylib/transitive_hash.py
deleted file mode 100644
index 93e8dc4e75ed3f327163afa5b05e9e7a34f7ffa6..0000000000000000000000000000000000000000
--- a/mojo/tools/pylib/transitive_hash.py
+++ /dev/null
@@ -1,89 +0,0 @@
-# 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 logging
-import subprocess
-import sys
-
-from hashlib import sha256
-from os.path import basename, realpath
-
-_logging = logging.getLogger()
-
-# Based on/taken from
-#   http://code.activestate.com/recipes/578231-probably-the-fastest-memoization-decorator-in-the-/
-# (with cosmetic changes).
-def _memoize(f):
-  """Memoization decorator for a function taking a single argument."""
-  class Memoize(dict):
-    def __missing__(self, key):
-      rv = self[key] = f(key)
-      return rv
-  return Memoize().__getitem__
-
-@_memoize
-def _file_hash(filename):
-  """Returns a string representing the hash of the given file."""
-  _logging.debug("Hashing %s ...", filename)
-  rv = subprocess.check_output(['sha256sum', '-b', filename]).split(None, 1)[0]
-  _logging.debug("  => %s", rv)
-  return rv
-
-@_memoize
-def _get_dependencies(filename):
-  """Returns a list of filenames for files that the given file depends on."""
-  _logging.debug("Getting dependencies for %s ...", filename)
-  lines = subprocess.check_output(['ldd', filename]).splitlines()
-  rv = []
-  for line in lines:
-    i = line.find('/')
-    if i < 0:
-      _logging.debug("  => no file found in line: %s", line)
-      continue
-    rv.append(line[i:].split(None, 1)[0])
-  _logging.debug("  => %s", rv)
-  return rv
-
-def transitive_hash(filename):
-  """Returns a string that represents the "transitive" hash of the given
-  file. The transitive hash is a hash of the file and all the shared libraries
-  on which it depends (done in an order-independent way)."""
-  hashes = set()
-  to_hash = [filename]
-  while to_hash:
-    current_filename = realpath(to_hash.pop())
-    current_hash = _file_hash(current_filename)
-    if current_hash in hashes:
-      _logging.debug("Already seen %s (%s) ...", current_filename, current_hash)
-      continue
-    _logging.debug("Haven't seen %s (%s) ...", current_filename, current_hash)
-    hashes.add(current_hash)
-    to_hash.extend(_get_dependencies(current_filename))
-  return sha256('|'.join(sorted(hashes))).hexdigest()
-
-def main(argv):
-  logging.basicConfig()
-  # Uncomment to debug:
-  # _logging.setLevel(logging.DEBUG)
-
-  if len(argv) < 2:
-    print """\
-Usage: %s [file] ...
-
-Prints the \"transitive\" hash of each (executable) file. The transitive
-hash is a hash of the file and all the shared libraries on which it
-depends (done in an order-independent way).""" % basename(argv[0])
-    return 0
-
-  rv = 0
-  for filename in argv[1:]:
-    try:
-      print transitive_hash(filename), filename
-    except:
-      print "ERROR", filename
-      rv = 1
-  return rv
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv))