Add config for Chromium Mac 10.11 Force Mac Toolchain

scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_Mac_10_11_Force_Mac_Toolchain.json

Index: scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_Mac_10_11_Force_Mac_Toolchain.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_Mac_10_11.json b/scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_Mac_10_11_Force_Mac_Toolchain.json
similarity index 96%
copy from scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_Mac_10_11.json
copy to scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_Mac_10_11_Force_Mac_Toolchain.json
index e29b70e20ddf7c0f4eb056ef60c8164539c2377f..f73adaf26ff53d323b79ff10041840f2a3156a30 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_Mac_10_11.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_fyi_Chromium_Mac_10_11_Force_Mac_Toolchain.json
@@ -7,7 +7,7 @@
       "--master",
       "chromium.fyi",
       "--builder",
-      "Chromium Mac 10.11",
+      "Chromium Mac 10.11 Force Mac Toolchain",
       "--slave",
       "TestSlavename",
       "--spec",
@@ -106,6 +106,7 @@
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
+      "FORCE_MAC_TOOLCHAIN": "1",
       "GYP_DEFINES": "clang=1 component=static_library gomadir='[BUILD]/goma' target_arch=x64 use_goma=1",
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -124,7 +125,7 @@
       "--paths",
       "{\"checkout\": \"[SLAVE_BUILD]/src\", \"runit.py\": \"RECIPE_PACKAGE_REPO[build]/scripts/tools/runit.py\", \"runtest.py\": \"RECIPE_PACKAGE_REPO[build]/scripts/slave/runtest.py\"}",
       "--properties",
-      "{\"buildername\": \"Chromium Mac 10.11\", \"buildnumber\": 571, \"mastername\": \"chromium.fyi\", \"slavename\": \"TestSlavename\", \"target_platform\": \"mac\"}"
+      "{\"buildername\": \"Chromium Mac 10.11 Force Mac Toolchain\", \"buildnumber\": 571, \"mastername\": \"chromium.fyi\", \"slavename\": \"TestSlavename\", \"target_platform\": \"mac\"}"
     ],
     "cwd": "[SLAVE_BUILD]",
     "name": "get compile targets for scripts",
@@ -173,6 +174,9 @@
       "/path/to/tmp/json"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "FORCE_MAC_TOOLCHAIN": "1"
+    },
     "name": "clang_revision",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
@@ -210,6 +214,9 @@
       "chromium_builder_tests"
     ],
     "cwd": "[SLAVE_BUILD]",
+    "env": {
+      "FORCE_MAC_TOOLCHAIN": "1"
+    },
     "name": "compile",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output (invalid)@null@@@",