Support references to args files in MB.

tools/mb/mb_config.pyl

 # Copyright 2015 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.
 
 {
   # This is a map of buildbot master names -> buildbot builder names ->
   # config names (where each config name is a key in the 'configs' dict,
   # below). MB uses this dict to look up which config to use for a given bot.
   'masters': {
     # Take care when changing any of these builders to ensure that you do not
@@ skipping 545 matching lines @@
       'Win 7 Tests x64 (1)': 'none',
       'Win10 Tests x64': 'none',
       'Win7 (32) Tests': 'none',
       'Win7 Tests (1)': 'none',
       'Win7 Tests (dbg)(1)': 'none',
       'Win8 Aura': 'gn_release_bot_minimal_symbols_x86',
       'Win8 GN (dbg)': 'gn_debug_bot_minimal_symbols_x86',
     },
 
     'official.desktop': {
-      'blimp-engine': 'gn_blimp_debug',
+      'blimp-engine': '//build/args/bots/official.desktop/blimp-engine.gn',
       'mac64': 'gyp_official',
       'precise64': 'gn_official',
 
       # Currently the official bots set mini_installer_official_deps=1
       # but it's not clear if that's actually used anywhere.
       'win': 'gyp_official',
       'win-asan': 'gyp_official_syzyasan',
       'win-pgo': 'gyp_official_winpgo',
       'win64': 'gyp_official_x64',
       'win64-pgo': 'gyp_official_winpgo_x64',
@@ skipping 432 matching lines @@
 
     # The 'findit' config is used by the *_variable_* bots, which run
     # the 'FindIt' recipes and code to bisect failures that happen on the
     # other waterfall bots. The findit recipes actually override and
     # re-use the configs from the matching waterfall bots, and so it should
     # be an error if MB ever sees an actual *_variable_* bot name.
     'findit': [
       'error',
     ],
 
-    # This is the "deployment" config for the blimp builds. Currently
-    # we want them to be debug, non-optimized builds (and we don't need any
-    # chrome branding), so we don't use the "official" mixin.
-    'gn_blimp_debug': [
-      'gn', 'blimp', 'debug',
-    ],
-
     'gn_cfi_release_bot': [
       'gn', 'cfi', 'release_bot',
     ],
 
     'gn_cfi_release_trybot': [
       'gn', 'cfi', 'release_trybot',
     ],
 
     'gn_cfi_diag_release_bot': [
       'gn', 'cfi', 'cfi_diag', 'release_bot',
@@ skipping 521 matching lines @@
     'armv6': {
       'gn_args': 'arm_version=6',
       'gyp_defines': 'arm_version=6',
     },
 
     'asan': {
       'gn_args': 'is_asan=true',
       'gyp_defines': 'asan=1',
     },
 
-    # Removes dependencies on X11 and audio libraries for a containerized
-    # build.
-    'blimp': {
-      # This list must be kept in sync with the list in
-      # //build/args/blimp_engine.gn.
-      'gn_args': ('use_aura=true use_ozone=true ozone_auto_platforms=false '
-                  'ozone_platform="headless" ozone_platform_headless=true '
-                  'metrics_use_blimp=true '
-                  'use_low_quality_image_interpolation=true use_alsa=false '
-                  'use_pulseaudio=false use_cups=false use_glib=false'),
-      'gyp_defines': 'target_arch=unknown',
-    },
-
     'cast': {
       'gn_args': 'is_chromecast=true',
       'gyp_defines': 'chromecast=1',
     },
 
     'cfi': {
       'gn_args': 'is_cfi=true',
       'gyp_defines': 'cfi_vptr=1',
     },
 
@@ skipping 268 matching lines @@
       'gn_args': 'is_component_build=true enable_iterator_debugging=false',
       'gyp_defines': 'component=shared_library build_for_tool=drmemory',
     },
 
     'valgrind': {
       # TODO: add gn_args for 'build_for_tool=memcheck'
       'gyp_defines': 'build_for_tool=memcheck',
     }
   },
 }