message: Stop setting mac_xcode_version in DEPS
  Cr-Commit-Position: refs/heads/master@{#32613}
diff: # This file contains dependencies for WebRTC.
  gclient_gn_args_file = 'src/build/config/gclient_args.gni'
  -gclient_gn_args = [
  - 'mac_xcode_version',
  -]
  vars = {
  # By default, we should check out everything needed to run on the main
  @@ -11,11 +8,6 @@ vars = {
  'checkout_configuration': 'default',
  'checkout_instrumented_libraries': 'checkout_linux and checkout_configuration == "default"',
  'chromium_revision': '32410c4f6c92a8019fabbf73520fcb91561771aa',
  -
  - # This can be overridden, e.g. with custom_vars, to download a nonstandard
  - # Xcode version in build/mac_toolchain.py
  - # instead of downloading the prebuilt pinned revision.
  - 'mac_xcode_version': 'default',
  }
  deps = {
  @@ -3039,8 +3031,7 @@ hooks = [
  'name': 'mac_toolchain',
  'pattern': '.',
  'condition': 'checkout_mac',
  - 'action': ['python', 'src/build/mac_toolchain.py',
  - '--xcode-version', Var('mac_xcode_version')],
  + 'action': ['python', 'src/build/mac_toolchain.py'],
  },
  {
  # Note: On Win, this should run after win_toolchain, as it may use it.
  