Add mb config for CrWinClang64(dbg).

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 12 matching lines @@
     'dev_gyp_release': ['gyp', 'release', 'shared'],
     'gn_release_bot': ['gn', 'release_bot'],
     'gn_release_bot_x86': ['gn', 'release_bot', 'x86'],
     'gn_release_trybot': ['gn', 'release_trybot'],
     'gn_release_trybot_x86': ['gn', 'release_trybot', 'x86'],
     'gn_debug_bot': ['gn', 'debug_bot'],
     'gn_debug_bot_x86': ['gn', 'debug_bot', 'x86'],
     'gn_debug_static_bot': ['gn', 'debug_static_bot'],
     'gn_debug_static_bot_x86': ['gn', 'debug_static_bot', 'x86'],
     'gyp_release_bot': ['gyp', 'release_bot'],
+    # clang/win doesn't work with goma yet, so this can't use debug_bot:
+    'win_clang_debug_bot':
+        ['gn', 'clang', 'debug', 'shared', 'minimal_symbols'],
   },
   
   # This is a list of configs that do not actually exist on any bot
   # but are used so commonly by devs that we must support them.
   'common_dev_configs': [
     'dev_gn_debug',
     'dev_gn_release',
     'dev_gyp_debug',
     'dev_gyp_release',
   ],
@@ skipping 18 matching lines @@
     'android': {
       'gn_args': 'target_os="android"',
       'gyp_defines': 'OS=android',
     },
 
     'chromeos': {
       'gn_args': 'target_os="chromeos"',
       'gyp_defines': 'chromeos=1',
     },
 
+    'clang': {
+      'gn_args': 'is_clang=true',
+      'gyp_defines': 'clang=1',
+    },
+
     'dcheck_always_on': {
       'gn_args': 'dcheck_always_on=true',
       'gyp_defines': 'dcheck_always_on=1',
     },
 
     'debug': {
       'gn_args': 'is_debug=true',
       'gyp_config': 'Debug',
     },
 
@@ skipping 79 matching lines @@
       'Win x64 GN (dbg)': 'gn_debug_bot',
       'Win8 GN': 'gn_release_bot_x86',
       'Win8 GN (dbg)': 'gn_debug_bot_x86',
     },
     'chromium.webkit': {
       'Android GN': 'android_gn_release_bot',
       'Android GN (dbg)': 'android_gn_debug_bot',
       'Linux GN': 'gn_release_bot',
       'Linux GN (dbg)': 'gn_debug_bot'
     },
+    'chromium.fyi': {
+      'CrWinClang64(dbg)': 'win_clang_debug_bot',
+    },
     'chromium.webrtc.fyi': {
       'Android GN': 'android_gn_release_bot',
       'Android GN (dbg)': 'android_gn_debug_bot',
       'Linux GN': 'gn_release_bot',
       'Linux GN (dbg)': 'gn_debug_bot',
       'Mac GN': 'gn_release_bot',
       'Mac GN (dbg)': 'gn_debug_static_bot',
       'Win GN': 'gn_release_bot_x86',
       'Win GN (dbg)': 'gn_debug_static_bot_x86',
     },
@@ skipping 29 matching lines @@
       'win8_chromium_gn_dbg': 'gn_debug_static_bot_x86',
       'win8_chromium_gn_rel': 'gn_release_trybot_x86',
       'win8_chromium_gn_upload': 'gn_release_bot',
     },
     'tryserver.v8': {
       'v8_linux_chromium_gn_rel': 'gn_release_trybot',
       'v8_android_chromium_gn_dbg': 'android_gn_debug_bot',
     },
   },
 }