V8: Switch blink downstream bots to use mb

scripts/slave/recipes/blink_downstream.expected/full_client_v8_fyi_V8_Blink_Linux_64__dbg__pass.json

Index: scripts/slave/recipes/blink_downstream.expected/full_client_v8_fyi_V8_Blink_Linux_64__dbg__pass.json
diff --git a/scripts/slave/recipes/blink_downstream.expected/full_client_v8_fyi_V8_Blink_Linux_64__dbg__pass.json b/scripts/slave/recipes/blink_downstream.expected/full_client_v8_fyi_V8_Blink_Linux_64__dbg__pass.json
index 3405995d752900f17b4b93f13791f564a579b381..3e7eb89a7bd7e7c8c28f4f33a055fd68272cff59 100644
--- a/scripts/slave/recipes/blink_downstream.expected/full_client_v8_fyi_V8_Blink_Linux_64__dbg__pass.json
+++ b/scripts/slave/recipes/blink_downstream.expected/full_client_v8_fyi_V8_Blink_Linux_64__dbg__pass.json
@@ -117,6 +117,7 @@
     "cwd": "[SLAVE_BUILD]/src",
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json",
+      "GYP_CHROMIUM_NO_ACTION": "1",
       "GYP_DEFINES": "component=shared_library gomadir='[BUILD]/goma' target_arch=x64 use_goma=1 v8_enable_slow_dchecks=1 v8_optimized_debug=1",
       "PATH": "%(PATH)s:RECIPE_PACKAGE_REPO[depot_tools]"
     },
@@ -126,6 +127,27 @@
     "cmd": [
       "python",
       "-u",
+      "[SLAVE_BUILD]/src/tools/mb/mb.py",
+      "gen",
+      "-m",
+      "client.v8.fyi",
+      "-b",
+      "V8-Blink Linux 64 (dbg)",
+      "--config-file",
+      "[SLAVE_BUILD]/src/tools/mb/mb_config.pyl",
+      "--goma-dir",
+      "[BUILD]/goma",
+      "//out/Debug"
+    ],
+    "env": {
+      "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
+    },
+    "name": "generate_build_files (with patch)"
+  },
+  {
+    "cmd": [
+      "python",
+      "-u",
       "RECIPE_PACKAGE_REPO[build]/scripts/tools/runit.py",
       "--show-path",
       "python",
@@ -156,7 +178,7 @@
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
-    "name": "compile",
+    "name": "compile (with patch)",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output (invalid)@null@@@",
       "@@@STEP_LOG_END@json.output (invalid)@@@"