Add Mac bots to MB.

webrtc/build/mb_config.pyl

Index: webrtc/build/mb_config.pyl
diff --git a/webrtc/build/mb_config.pyl b/webrtc/build/mb_config.pyl
index 2dcc1ddb02b6bd8715d9f77711584e0c000cd7d5..8271a4792c3e7fffd011d6eec67aef0cc9f5af51 100644
--- a/webrtc/build/mb_config.pyl
+++ b/webrtc/build/mb_config.pyl
@@ -29,6 +29,14 @@
       'iOS64 Debug (GN)': 'ios_gn_debug_bot_arm64_device',
       'iOS64 Release (GN)': 'ios_gn_release_bot_arm64_device',
 
+      # Mac
+      'Mac64 Debug': 'gyp_debug_bot_x64',
+      'Mac64 Release': 'gyp_release_bot_x64',
+      'Mac64 Debug (GN)': 'gn_debug_bot_x64',
+      'Mac64 Release (GN)': 'gn_release_bot_x64',
+      'Mac Asan': 'mac_gyp_asan_clang_release_bot_x64',
+      'Mac64 Release [large tests]': 'gyp_release_bot_x64',
+
       # Linux
       'Linux32 ARM': 'gyp_crosscompile_release_bot_arm',
       'Linux32 Debug': 'gyp_debug_bot_x86',
@@ -90,6 +98,17 @@
       'ios64_gn_dbg': 'ios_gn_debug_bot_arm64_device',
       'ios64_gn_rel': 'ios_gn_release_bot_arm64_device',
 
+      # Mac
+      'mac_compile_dbg': 'gyp_debug_bot_x64',
+      'mac_compile_rel': 'gyp_release_bot_x64',
+      'mac_dbg': 'gyp_debug_bot_x64',
+      'mac_rel': 'gyp_release_bot_x64',
+      'mac_gn_dbg': 'gn_debug_bot_x64',
+      'mac_gn_rel': 'gn_release_bot_x64',
+      'mac_asan': 'mac_gyp_asan_clang_release_bot_x64',
+      'mac_baremetal': 'gyp_release_bot_x64',
+      'mac_swarming': 'swarming_gyp_debug_bot_x64',
+
       # Linux
       'linux_compile_dbg': 'gyp_debug_bot_x64',
       'linux_compile_rel': 'gyp_release_bot_x64',
@@ -245,6 +264,11 @@
       'gyp', 'drmemory', 'minimal_symbols', 'openh264_debug_bot', 'x86',
     ],
 
+    # Mac
+    'mac_gyp_asan_clang_release_bot_x64': [
+      'gyp', 'asan', 'clang', 'openh264_release_bot', 'x64',
+    ],
+
     # Android
     'android_gyp_debug_static_bot_arm': [
       'android', 'gyp', 'debug_static_bot', 'arm'