recipes: Add a GN flavor.

infra/bots/recipes/swarm_trigger.expected/Build-Ubuntu-GCC-x86_64-Debug-GN.json

 [
   {
     "cmd": [
       "git",
       "rev-parse",
       "HEAD"
     ],
     "cwd": "[ROOT]/skia",
     "name": "git rev-parse",
     "stdout": "/path/to/tmp/"
@@ skipping 203 matching lines @@
       "help"
     ],
     "name": "gsutil help"
   },
   {
     "cmd": [
       "python",
       "-u",
       "[ROOT]/skia/tools/buildbot_spec.py",
       "/path/to/tmp/json",
-      "Build-Ubuntu-GCC-x86_64-Debug"
+      "Build-Ubuntu-GCC-x86_64-Debug-GN"
     ],
     "cwd": "[ROOT]/skia",
     "name": "exec buildbot_spec.py",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"build_targets\": [@@@",
       "@@@STEP_LOG_LINE@json.output@    \"most\"@@@",
       "@@@STEP_LOG_LINE@json.output@  ], @@@",
       "@@@STEP_LOG_LINE@json.output@  \"builder_cfg\": {@@@",
       "@@@STEP_LOG_LINE@json.output@    \"compiler\": \"GCC\", @@@",
       "@@@STEP_LOG_LINE@json.output@    \"configuration\": \"Debug\", @@@",
+      "@@@STEP_LOG_LINE@json.output@    \"extra_config\": \"GN\", @@@",
       "@@@STEP_LOG_LINE@json.output@    \"is_trybot\": false, @@@",
       "@@@STEP_LOG_LINE@json.output@    \"os\": \"Ubuntu\", @@@",
       "@@@STEP_LOG_LINE@json.output@    \"role\": \"Build\", @@@",
       "@@@STEP_LOG_LINE@json.output@    \"target_arch\": \"x86_64\"@@@",
       "@@@STEP_LOG_LINE@json.output@  }, @@@",
       "@@@STEP_LOG_LINE@json.output@  \"configuration\": \"Debug\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"dm_flags\": [@@@",
       "@@@STEP_LOG_LINE@json.output@    \"--dummy-flags\"@@@",
       "@@@STEP_LOG_LINE@json.output@  ], @@@",
       "@@@STEP_LOG_LINE@json.output@  \"do_perf_steps\": false, @@@",
@@ skipping 73 matching lines @@
       "trigger",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--isolate-server",
       "https://isolateserver.appspot.com",
       "--priority",
       "90",
       "--shards",
       "1",
       "--task-name",
-      "compile_skia/Ubuntu/[dummy has/Build-Ubuntu-GCC-x86_64-Debug/5",
+      "compile_skia/Ubuntu/[dummy has/Build-Ubuntu-GCC-x86_64-Debug-GN/5",
       "--dump-json",
       "/path/to/tmp/json",
       "--expiration",
       "72000",
       "--io-timeout",
       "2400",
       "--hard-timeout",
       "14400",
       "--dimension",
       "gpu",
       "none",
       "--dimension",
       "os",
       "Ubuntu",
       "--dimension",
       "pool",
       "Skia",
       "--tag",
       "allow_milo:1",
       "--tag",
-      "buildername:Build-Ubuntu-GCC-x86_64-Debug",
+      "buildername:Build-Ubuntu-GCC-x86_64-Debug-GN",
       "--tag",
       "buildnumber:5",
       "--tag",
       "data:[dummy hash for compile_skia]",
       "--tag",
       "master:client.skia",
       "--tag",
       "name:compile_skia",
       "--tag",
       "os:Ubuntu",
       "--tag",
       "revision:abc123",
       "--tag",
       "slavename:skiabot-linux-swarm-000",
       "--tag",
       "stepname:compile_skia on Ubuntu",
       "--idempotent",
       "[dummy hash for compile_skia]",
       "--",
       "--workdir",
       "../../..",
       "swarm_compile",
-      "buildername=Build-Ubuntu-GCC-x86_64-Debug",
+      "buildername=Build-Ubuntu-GCC-x86_64-Debug-GN",
       "mastername=client.skia.compile",
       "buildnumber=1",
       "slavename=skiabot-dummy-compile-slave",
       "reason=Triggered by Skia swarm_trigger Recipe",
       "swarm_out_dir=${ISOLATED_OUTDIR}",
       "revision=abc123"
     ],
     "name": "[trigger] compile_skia on Ubuntu",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output@{@@@",
-      "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"compile_skia/Ubuntu/[dummy has/Build-Ubuntu-GCC-x86_64-Debug/5\", @@@",
+      "@@@STEP_LOG_LINE@json.output@  \"base_task_name\": \"compile_skia/Ubuntu/[dummy has/Build-Ubuntu-GCC-x86_64-Debug-GN/5\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"tasks\": {@@@",
-      "@@@STEP_LOG_LINE@json.output@    \"compile_skia/Ubuntu/[dummy has/Build-Ubuntu-GCC-x86_64-Debug/5\": {@@@",
+      "@@@STEP_LOG_LINE@json.output@    \"compile_skia/Ubuntu/[dummy has/Build-Ubuntu-GCC-x86_64-Debug-GN/5\": {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"shard_index\": 0, @@@",
       "@@@STEP_LOG_LINE@json.output@      \"task_id\": \"10000\", @@@",
       "@@@STEP_LOG_LINE@json.output@      \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"@@@",
       "@@@STEP_LOG_LINE@json.output@    }@@@",
       "@@@STEP_LOG_LINE@json.output@  }@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@",
       "@@@STEP_LINK@shard #0@https://chromium-swarm.appspot.com/user/task/10000@@@",
       "@@@STEP_LINK@view steps on Milo@https://luci-milo.appspot.com/swarming/task/10000@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
       "[SLAVE_BUILD]/swarming.client/swarming.py",
       "collect",
       "--swarming",
       "https://chromium-swarm.appspot.com",
       "--decorate",
       "--print-status-updates",
       "--json",
-      "{\"base_task_name\": \"compile_skia/Ubuntu/[dummy has/Build-Ubuntu-GCC-x86_64-Debug/5\", \"tasks\": {\"compile_skia/Ubuntu/[dummy has/Build-Ubuntu-GCC-x86_64-Debug/5\": {\"shard_index\": 0, \"task_id\": \"10000\", \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"}}}",
+      "{\"base_task_name\": \"compile_skia/Ubuntu/[dummy has/Build-Ubuntu-GCC-x86_64-Debug-GN/5\", \"tasks\": {\"compile_skia/Ubuntu/[dummy has/Build-Ubuntu-GCC-x86_64-Debug-GN/5\": {\"shard_index\": 0, \"task_id\": \"10000\", \"view_url\": \"https://chromium-swarm.appspot.com/user/task/10000\"}}}",
       "--task-summary-json",
       "/path/to/tmp/json"
     ],
     "name": "compile_skia on Ubuntu",
     "~followup_annotations": [
       "@@@STEP_TEXT@swarming pending 71s@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"shards\": [@@@",
       "@@@STEP_LOG_LINE@json.output@    {@@@",
       "@@@STEP_LOG_LINE@json.output@      \"abandoned_ts\": null, @@@",
@@ skipping 34 matching lines @@
       "@@@STEP_LINK@shard #0 isolated out@blah@@@",
       "@@@STEP_LINK@view steps on Milo@https://luci-milo.appspot.com/swarming/task/148aa78d7aa0000@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]