Testing and bugfixing for the new MB gyp/gn wrapper.

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 the list of configs that you can pass to mb; each config
   # represents a particular combination of GYP_DEFINES/gn args that
   # we must support. A given config *may* be platform-specific but
   # is not necessarily so (i.e., we might have mac, win, and linux
   # bots all using the 'gn_release_bot' config).
@@ skipping 85 matching lines @@
     'release': {
       'gn_args': 'is_debug=false',
       'gyp_config': 'Release',
     },
 
     'release_bot': {
       'mixins': ['release', 'static', 'minimal_symbols', 'goma'],
     },
 
     'release_trybot': {
-      'mixins': ['release_bot', 'dcheck_always_on', 'goma']
+      'mixins': ['release_bot', 'dcheck_always_on']
     },
     
     'shared': {
       'gn_args': 'is_component_build=true',
       'gyp_defines': 'component=shared_library',
     },
 
     'static': {
       'gn_args': 'is_component_build=false',
       'gyp_defines': 'component=static_library',
@@ skipping 44 matching lines @@
       'mac_chromium_gn_rel': 'gn_release_trybot',
       'mac_chromium_gn_upload': 'gn_release_bot',
     },
     'tryserver.chromium.win': {
       'win8_chromium_gn_dbg': 'gn_debug_bot',
       'win8_chromium_gn_rel': 'gn_release_trybot',
       'win8_chromium_gn_upload': 'gn_release_bot',
     },
   },
 }