diff --git a/BUILD.gn b/BUILD.gn
index 65079bae25ce7..22a24208a8e20 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -665,9 +665,40 @@ if (is_mac) {
     ]
   }
 
+  action("electron_app_lproj_dirs") {
+    outputs = []
+
+    foreach(locale, locales_as_mac_outputs) {
+      outputs += [ "$target_gen_dir/app_infoplist_strings/$locale.lproj" ]
+    }
+    script = "build/mac/make_locale_dirs.py"
+    args = rebase_path(outputs)
+  }
+
+  foreach(locale, locales_as_mac_outputs) {
+    bundle_data("electron_app_strings_${locale}_bundle_data") {
+      sources = [
+        "$target_gen_dir/app_infoplist_strings/$locale.lproj",
+      ]
+      outputs = [
+        "{{bundle_resources_dir}}/$locale.lproj",
+      ]
+      public_deps = [
+        ":electron_app_lproj_dirs",
+      ]
+    }
+  }
+  group("electron_app_strings_bundle_data") {
+    public_deps = []
+    foreach(locale, locales_as_mac_outputs) {
+      public_deps += [ ":electron_app_strings_${locale}_bundle_data" ]
+    }
+  }
+
   bundle_data("electron_app_resources") {
     public_deps = [
       ":app2asar",
+      ":electron_app_strings_bundle_data",
       ":js2asar",
     ]
     sources = [
diff --git a/build/mac/make_locale_dirs.py b/build/mac/make_locale_dirs.py
new file mode 100644
index 0000000000000..8559b4fdc4608
--- /dev/null
+++ b/build/mac/make_locale_dirs.py
@@ -0,0 +1,20 @@
+# usage: make_locale_dirs.py locale_dir [...]
+#
+# This script is intended to create empty locale directories (.lproj) in a
+# Cocoa .app bundle. The presence of these empty directories is sufficient to
+# convince Cocoa that the application supports the named localization, even if
+# an InfoPlist.strings file is not provided. Chrome uses these empty locale
+# directoires for its helper executable bundles, which do not otherwise
+# require any direct Cocoa locale support.
+
+import os
+import sys
+
+
+def main(args):
+  for dirname in args:
+    os.makedirs(dirname)
+
+
+if __name__ == '__main__':
+  main(sys.argv[1:])
diff --git a/tools/mac/apply_locales.py b/tools/mac/apply_locales.py
deleted file mode 100755
index a657aa7ef27f6..0000000000000
--- a/tools/mac/apply_locales.py
+++ /dev/null
@@ -1,45 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2009 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.
-
-# TODO: remove this script when GYP has for loops
-
-import sys
-import optparse
-
-def main(argv):
-
-  parser = optparse.OptionParser()
-  usage = 'usage: %s [options ...] format_string locale_list'
-  parser.set_usage(usage.replace('%s', '%prog'))
-  parser.add_option('-d', dest='dash_to_underscore', action="store_true",
-                    default=False,
-                    help='map "en-US" to "en" and "-" to "_" in locales')
-
-  (options, arglist) = parser.parse_args(argv)
-
-  if len(arglist) < 3:
-    print 'ERROR: need string and list of locales'
-    return 1
-
-  str_template = arglist[1]
-  locales = arglist[2:]
-
-  results = []
-  for locale in locales:
-    # For Cocoa to find the locale at runtime, it needs to use '_' instead
-    # of '-' (http://crbug.com/20441).  Also, 'en-US' should be represented
-    # simply as 'en' (http://crbug.com/19165, http://crbug.com/25578).
-    if options.dash_to_underscore:
-      if locale == 'en-US':
-        locale = 'en'
-      locale = locale.replace('-', '_')
-    results.append(str_template.replace('ZZLOCALE', locale))
-
-  # Quote each element so filename spaces don't mess up GYP's attempt to parse
-  # it into a list.
-  print ' '.join(["'%s'" % x for x in results])
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv))
\ No newline at end of file
diff --git a/tools/mac/copy-locales.py b/tools/mac/copy-locales.py
deleted file mode 100755
index 30d4788006942..0000000000000
--- a/tools/mac/copy-locales.py
+++ /dev/null
@@ -1,56 +0,0 @@
-#!/usr/bin/env python
-# Copyright (c) 2013 GitHub, Inc.
-# Use of this source code is governed by the MIT license that can be
-# found in the LICENSE file.
-
-import errno
-import optparse
-import os
-import shutil
-import sys
-
-def main(argv):
-  parser = optparse.OptionParser()
-  usage = 'usage: %s [options ...] src dest locale_list'
-  parser.set_usage(usage.replace('%s', '%prog'))
-  parser.add_option('-d', dest='dash_to_underscore', action="store_true",
-                    default=False,
-                    help='map "en-US" to "en" and "-" to "_" in locales')
-
-  (options, arglist) = parser.parse_args(argv)
-
-  if len(arglist) < 4:
-    print 'ERROR: need src, dest and list of locales'
-    return 1
-
-  src = arglist[1]
-  dest = arglist[2]
-  locales = arglist[3:]
-
-  for locale in locales:
-    # For Cocoa to find the locale at runtime, it needs to use '_' instead
-    # of '-' (http://crbug.com/20441).  Also, 'en-US' should be represented
-    # simply as 'en' (http://crbug.com/19165, http://crbug.com/25578).
-    dirname = locale
-    if options.dash_to_underscore:
-      if locale == 'en-US':
-        dirname = 'en'
-      else:
-        dirname = locale.replace('-', '_')
-
-    dirname = os.path.join(dest, dirname + '.lproj')
-    safe_mkdir(dirname)
-    shutil.copy2(os.path.join(src, locale + '.pak'),
-                 os.path.join(dirname, 'locale.pak'))
-
-
-def safe_mkdir(path):
-  try:
-    os.makedirs(path)
-  except OSError as e:
-    if e.errno != errno.EEXIST:
-      raise
-
-
-if __name__ == '__main__':
-  sys.exit(main(sys.argv))
diff --git a/tools/mac/create-framework-subdir-symlinks.sh b/tools/mac/create-framework-subdir-symlinks.sh
deleted file mode 100755
index bfea1b3aac37e..0000000000000
--- a/tools/mac/create-framework-subdir-symlinks.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/sh
-
-set -e
-
-cd "${BUILT_PRODUCTS_DIR}/${1}.framework"
-shift
-
-while [ ! -z "${1}" ]; do
-  ln -sf Versions/Current/"${1}" "${1}"
-  shift
-done
diff --git a/tools/mac/find_sdk.py b/tools/mac/find_sdk.py
deleted file mode 100755
index ec1c96cfc7aa1..0000000000000
--- a/tools/mac/find_sdk.py
+++ /dev/null
@@ -1,93 +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.
-
-"""Prints the lowest locally available SDK version greater than or equal to a
-given minimum sdk version to standard output.
-
-Usage:
-  python find_sdk.py 10.6  # Ignores SDKs < 10.6
-"""
-
-import os
-import re
-import subprocess
-import sys
-
-
-from optparse import OptionParser
-
-
-def parse_version(version_str):
-  """'10.6' => [10, 6]"""
-  return map(int, re.findall(r'(\d+)', version_str))
-
-
-def main():
-  parser = OptionParser()
-  parser.add_option("--verify",
-                    action="store_true", dest="verify", default=False,
-                    help="return the sdk argument and warn if it doesn't exist")
-  parser.add_option("--sdk_path",
-                    action="store", type="string", dest="sdk_path", default="",
-                    help="user-specified SDK path; bypasses verification")
-  parser.add_option("--print_sdk_path",
-                    action="store_true", dest="print_sdk_path", default=False,
-                    help="Additionaly print the path the SDK (appears first).")
-  options, args = parser.parse_args()
-  if len(args) != 1:
-    parser.error('Please specify a minimum SDK version')
-  min_sdk_version = args[0]
-
-  job = subprocess.Popen(['xcode-select', '-print-path'],
-                         stdout=subprocess.PIPE,
-                         stderr=subprocess.STDOUT)
-  out, err = job.communicate()
-  if job.returncode != 0:
-    print >> sys.stderr, out
-    print >> sys.stderr, err
-    raise Exception(('Error %d running xcode-select, you might have to run '
-      '|sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer| '
-      'if you are using Xcode 4.') % job.returncode)
-  # The Developer folder moved in Xcode 4.3.
-  xcode43_sdk_path = os.path.join(
-      out.rstrip(), 'Platforms/MacOSX.platform/Developer/SDKs')
-  if os.path.isdir(xcode43_sdk_path):
-    sdk_dir = xcode43_sdk_path
-  else:
-    sdk_dir = os.path.join(out.rstrip(), 'SDKs')
-  sdks = [re.findall('^MacOSX(10\.\d+)\.sdk$', s) for s in os.listdir(sdk_dir)]
-  sdks = [s[0] for s in sdks if s]  # [['10.5'], ['10.6']] => ['10.5', '10.6']
-  sdks = [s for s in sdks  # ['10.5', '10.6'] => ['10.6']
-          if parse_version(s) >= parse_version(min_sdk_version)]
-  if not sdks:
-    raise Exception('No %s+ SDK found' % min_sdk_version)
-  best_sdk = sorted(sdks, key=parse_version)[0]
-
-  if options.verify and best_sdk != min_sdk_version and not options.sdk_path:
-    print >> sys.stderr, ''
-    print >> sys.stderr, '                                           vvvvvvv'
-    print >> sys.stderr, ''
-    print >> sys.stderr, \
-        'This build requires the %s SDK, but it was not found on your system.' \
-        % min_sdk_version
-    print >> sys.stderr, \
-        'Either install it, or explicitly set mac_sdk in your GYP_DEFINES.'
-    print >> sys.stderr, ''
-    print >> sys.stderr, '                                           ^^^^^^^'
-    print >> sys.stderr, ''
-    return min_sdk_version
-
-  if options.print_sdk_path:
-    print subprocess.check_output(['xcodebuild', '-version', '-sdk',
-                                   'macosx' + best_sdk, 'Path']).strip()
-
-  return best_sdk
-
-
-if __name__ == '__main__':
-  if sys.platform != 'darwin':
-    raise Exception("This script only runs on Mac")
-  print main()
-  sys.exit(0)
diff --git a/tools/mac/make_locale_dirs.sh b/tools/mac/make_locale_dirs.sh
deleted file mode 100755
index 7636b15e6ce68..0000000000000
--- a/tools/mac/make_locale_dirs.sh
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/bin/bash
-
-# 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.
-
-# usage: make_locale_dirs.sh locale_dir [...]
-#
-# This script creates the Resources directory for the bundle being built by
-# the Xcode target that calls it if the directory does not yet exist. It then
-# changes to that directory and creates subdirectories for each locale_dir
-# passed on the command line.
-#
-# This script is intended to create empty locale directories (.lproj) in a
-# Cocoa .app bundle. The presence of these empty directories is sufficient to
-# convince Cocoa that the application supports the named localization, even if
-# an InfoPlist.strings file is not provided. Chrome uses these empty locale
-# directoires for its helper executable bundles, which do not otherwise
-# require any direct Cocoa locale support.
-
-set -eu
-
-if [[ ${#} -eq 0 ]]; then
-  echo "usage: ${0} locale_dir [...]" >& 2
-  exit 1
-fi
-
-RESOURCES_DIR="${BUILT_PRODUCTS_DIR}/${UNLOCALIZED_RESOURCES_FOLDER_PATH}"
-if [[ ! -d "${RESOURCES_DIR}" ]]; then
-  mkdir "${RESOURCES_DIR}"
-fi
-
-cd "${RESOURCES_DIR}"
-
-for dir in "${@}"; do
-  if [[ ! -d "${dir}" ]]; then
-    mkdir "${dir}"
-  fi
-done