Remove the unused helper apps on OS X.

chrome/installer/mac/sign_app.sh.in

 #!/bin/bash -p
 
 # 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.
 
 # Using codesign, sign the application. After signing, the signatures on the
 # inner bundle components are verified, and the application's own signature is
 # verified. Inner bundle components are expected to be signed before this
 # script is called. See sign_versioned_dir.sh.
@@ skipping 25 matching lines @@
 # Use custom resource rules for the browser application.
 script_dir="$(dirname "${0}")"
 browser_app_rules="${script_dir}/app_resource_rules.plist"
 
 versioned_dir="${app_path}/Contents/Versions/@VERSION@"
 
 browser_app="${app_path}"
 framework="${versioned_dir}/@MAC_PRODUCT_NAME@ Framework.framework"
 crashpad_handler="${framework}/Helpers/crashpad_handler"
 helper_app="${versioned_dir}/@MAC_PRODUCT_NAME@ Helper.app"
-helper_eh_app="${versioned_dir}/@MAC_PRODUCT_NAME@ Helper EH.app"
-helper_np_app="${versioned_dir}/@MAC_PRODUCT_NAME@ Helper NP.app"
 
 requirement_string="\
 designated => \
 (identifier \"com.google.Chrome\" or identifier \"com.google.Chrome.canary\") \
 and certificate leaf = H\"85cee8254216185620ddc8851c7a9fc4dfe120ef\"\
 "
 
 codesign --sign "${codesign_id}" --keychain "${codesign_keychain}" \
     "${browser_app}" --resource-rules "${browser_app_rules}" \
     -r="${requirement_string}"
 
 # Show the signature.
 codesign --display -r- -vvvvvv "${browser_app}"
 
 # Verify everything. Check the framework and helper apps to make sure that the
 # signatures are present and weren't altered by the signing process. Don't use
 # --deep on the framework because Keystone's signature is in a transitional
 # state (radar 18474911). Use --no-strict on the app because it uses custom
 # resource rules.
 codesign --verify --deep -vvvvvv "${crashpad_handler}"
 codesign --verify -vvvvvv "${framework}"
 codesign --verify --deep -vvvvvv "${helper_app}"
-codesign --verify --deep -vvvvvv "${helper_eh_app}"
-codesign --verify --deep -vvvvvv "${helper_np_app}"
 codesign --verify --deep --no-strict -vvvvvv "${browser_app}"
 
 # Verify with spctl, which uses the same rules that Gatekeeper does for
 # validation.
 spctl --assess -vv "${browser_app}"