old_contents: # Copyright (c) 2011 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 os
  import sys
  
  SCRIPT_PATH = os.path.dirname(sys.argv[0])
  if SCRIPT_PATH == "":
    SCRIPT_PATH = os.getcwd()
  
  PATHS_TO_TRY = [
    '\\..\\..\\build\\Debug\\remoting_host_keygen.exe',
    '\\..\\..\\build\\Release\\remoting_host_keygen.exe',
    '\\..\\Debug\\remoting_host_keygen.exe',
    '\\..\\Release\\remoting_host_keygen.exe',
    '/../../xcodebuild/Debug/remoting_host_keygen',
    '/../../xcodebuild/Release/remoting_host_keygen',
    '/../../out/Debug/remoting_host_keygen',
    '/../../out/Release/remoting_host_keygen']
  
  KEYGEN_PATH = None
  for path in PATHS_TO_TRY:
    if os.path.exists(SCRIPT_PATH + path):
      KEYGEN_PATH = SCRIPT_PATH + path
      break
  
  if not KEYGEN_PATH:
    raise Exception("Unable to find remoting_host_keygen. Please build it " +
                    "and try again")
  
  def generateRSAKeyPair():
    """Returns (priv, pub) keypair where priv is a new private key and
    pub is the corresponding public key.  Both keys are BASE64 encoded."""
    pipe = os.popen(KEYGEN_PATH)
    out = pipe.readlines()
    if len(out) != 2:
      raise Exception("remoting_host_keygen failed.")
    return (out[0].strip(), out[1].strip())
  
new_contents: # 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.
  
  import os
  import sys
  
  _SCRIPT_PATH = os.path.dirname(sys.argv[0])
  if _SCRIPT_PATH == "":
    _SCRIPT_PATH = os.getcwd()
  
  _EXE_PATHS_TO_TRY = [
    '.',
    '..\\..\\build\\Debug',
    '..\\..\\build\\Release',
    '..\\Debug',
    '..\\Release',
    '../../xcodebuild/Debug',
    '../../xcodebuild/Release',
    '../../out/Debug',
    '../../out/Release']
  
  
  def locate_executable(exe_name):
    for path in _EXE_PATHS_TO_TRY:
      exe_path = os.path.join(_SCRIPT_PATH, path, exe_name)
      if os.path.exists(exe_path):
        return exe_path
      exe_path = exe_path + ".exe"
      if os.path.exists(exe_path):
        return exe_path
  
    raise Exception("Could not locate executable '%s'" % exe_name)
  
  
  def generateRSAKeyPair():
    """Returns (priv, pub) keypair where priv is a new private key and
    pub is the corresponding public key.  Both keys are BASE64 encoded."""
    keygen_path = locate_executable("remoting_host_keygen")
    pipe = os.popen(keygen_path)
    out = pipe.readlines()
    if len(out) != 2:
      raise Exception("remoting_host_keygen failed.")
    return (out[0].strip(), out[1].strip())
  
subject: Fix executable searching in keygen.py