diff --git a/src/third_party/skia/tools/git-sync-deps b/src/third_party/skia/tools/git-sync-deps
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+#!/usr/bin/python
+# Copyright 2014 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+
+"""Parse a DEPS file and git checkout all of the dependencies.
+
+Args:
+  An optional list of deps_os values.
+
+Environment Variables:
+  GIT_EXECUTABLE: path to "git" binary; if unset, will look for one of
+  ['git', 'git.exe', 'git.bat'] in your default path.
+
+  GIT_SYNC_DEPS_PATH: file to get the dependency list from; if unset,
+  will use the file ../DEPS relative to this script's directory.
+
+  GIT_SYNC_DEPS_QUIET: if set to non-empty string, suppress messages.
+
+Git Config:
+  To disable syncing of a single repository:
+      cd path/to/repository
+      git config sync-deps.disable true
+
+  To re-enable sync:
+      cd path/to/repository
+      git config --unset sync-deps.disable
+"""
+
+
+import os
+import subprocess
+import sys
+import threading
+
+
+def git_executable():
+  """Find the git executable.
+
+  Returns:
+      A string suitable for passing to subprocess functions, or None.
+  """
+  envgit = os.environ.get('GIT_EXECUTABLE')
+  searchlist = ['git', 'git.exe', 'git.bat']
+  if envgit:
+    searchlist.insert(0, envgit)
+  with open(os.devnull, 'w') as devnull:
+    for git in searchlist:
+      try:
+        subprocess.call([git, '--version'], stdout=devnull)
+      except (OSError,):
+        continue
+      return git
+  return None
+
+
+DEFAULT_DEPS_PATH = os.path.normpath(
+  os.path.join(os.path.dirname(__file__), os.pardir, 'DEPS'))
+
+
+def usage(deps_file_path = None):
+  sys.stderr.write(
+    'Usage: run to grab dependencies, with optional platform support:\n')
+  sys.stderr.write('  python %s' % __file__)
+  if deps_file_path:
+    for deps_os in parse_file_to_dict(deps_file_path)['deps_os']:
+      sys.stderr.write(' [%s]' % deps_os)
+  else:
+    sys.stderr.write(' [DEPS_OS...]')
+  sys.stderr.write('\n\n')
+  sys.stderr.write(__doc__)
+
+
+def git_repository_sync_is_disabled(git, directory):
+  try:
+    disable = subprocess.check_output(
+      [git, 'config', 'sync-deps.disable'], cwd=directory)
+    return disable.lower().strip() in ['true', '1', 'yes', 'on']
+  except subprocess.CalledProcessError:
+    return False
+
+
+def is_git_toplevel(git, directory):
+  """Return true iff the directory is the top level of a Git repository.
+
+  Args:
+    git (string) the git executable
+
+    directory (string) the path into which the repository
+              is expected to be checked out.
+  """
+  try:
+    toplevel = subprocess.check_output(
+      [git, 'rev-parse', '--show-toplevel'], cwd=directory).strip()
+    return os.path.realpath(directory) == os.path.realpath(toplevel)
+  except subprocess.CalledProcessError:
+    return False
+
+
+def git_checkout_to_directory(git, repo, checkoutable, directory, verbose):
+  """Checkout (and clone if needed) a Git repository.
+
+  Args:
+    git (string) the git executable
+
+    repo (string) the location of the repository, suitable
+         for passing to `git clone`.
+
+    checkoutable (string) a tag, branch, or commit, suitable for
+                 passing to `git checkout`
+
+    directory (string) the path into which the repository
+              should be checked out.
+
+    verbose (boolean)
+
+  Raises an exception if any calls to git fail.
+  """
+  if not os.path.isdir(directory):
+    subprocess.check_call(
+      [git, 'clone', '--quiet', repo, directory])
+
+  if not is_git_toplevel(git, directory):
+    # if the directory exists, but isn't a git repo, you will modify
+    # the parent repostory, which isn't what you want.
+    sys.stdout.write('%s\n  IS NOT TOP-LEVEL GIT DIRECTORY.\n' % directory)
+    return
+
+  # Check to see if this repo is disabled.  Quick return.
+  if git_repository_sync_is_disabled(git, directory):
+    sys.stdout.write('%s\n  SYNC IS DISABLED.\n' % directory)
+    return
+
+  subprocess.check_call([git, 'fetch', '--quiet'], cwd=directory)
+
+  subprocess.check_call(
+    [git, 'checkout', '--quiet', checkoutable], cwd=directory)
+
+  if verbose:
+    sys.stdout.write('%s\n  @ %s\n' % (directory, checkoutable))  # Success.
+
+
+def parse_file_to_dict(path):
+  dictionary = {}
+  execfile(path, dictionary)
+  return dictionary
+
+
+def git_sync_deps(deps_file_path, command_line_os_requests, verbose):
+  """Grab dependencies, with optional platform support.
+
+  Args:
+    deps_file_path (string) Path to the DEPS file.
+
+    command_line_os_requests (list of strings) Can be empty list.
+        List of strings that should each be a key in the deps_os
+        dictionary in the DEPS file.
+
+  Raises git Exceptions.
+  """
+  git = git_executable()
+  assert git
+
+  deps_file_directory = os.path.dirname(deps_file_path)
+  deps_file = parse_file_to_dict(deps_file_path)
+  dependencies = deps_file['deps'].copy()
+  os_specific_dependencies = deps_file.get('deps_os', [])
+  for os_name in command_line_os_requests:
+    # Add OS-specific dependencies
+    if os_name in os_specific_dependencies:
+      dependencies.update(os_specific_dependencies[os_name])
+  list_of_arg_lists = []
+  for directory in dependencies:
+    if '@' in dependencies[directory]:
+      repo, checkoutable = dependencies[directory].split('@', 1)
+    else:
+      repo, checkoutable = dependencies[directory], 'origin/master'
+
+    relative_directory = os.path.join(deps_file_directory, directory)
+
+    list_of_arg_lists.append(
+      (git, repo, checkoutable, relative_directory, verbose))
+
+  multithread(git_checkout_to_directory, list_of_arg_lists)
+
+  for directory in deps_file.get('recursedeps', []):
+    recursive_path = os.path.join(deps_file_directory, directory, 'DEPS')
+    git_sync_deps(recursive_path, command_line_os_requests, verbose)
+
+
+def multithread(function, list_of_arg_lists):
+  # for args in list_of_arg_lists:
+  #   function(*args)
+  # return
+  threads = []
+  for args in list_of_arg_lists:
+    thread = threading.Thread(None, function, None, args)
+    thread.start()
+    threads.append(thread)
+  for thread in threads:
+    thread.join()
+
+
+def main(argv):
+  deps_file_path = os.environ.get('GIT_SYNC_DEPS_PATH', DEFAULT_DEPS_PATH)
+  verbose = not bool(os.environ.get('GIT_SYNC_DEPS_QUIET', False))
+
+  if '--help' in argv or '-h' in argv:
+    usage(deps_file_path)
+    return 1
+
+  git_sync_deps(deps_file_path, argv, verbose)
+  return 0
+
+
+if __name__ == '__main__':
+  exit(main(sys.argv[1:]))