Add sizes test to chromium.perf builders.

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

 [
   {
     "cmd": [
       "python",
       "-u",
       "RECIPE_MODULE[depot_tools::bot_update]/resources/bot_update.py",
       "--master",
       "chromium.perf",
       "--builder",
       "Mac Builder",
@@ skipping 236 matching lines @@
       "/path/to/tmp/json",
       "--goma-service-account-json-file",
       "/creds/service_accounts/service-account-goma-client.json",
       "--mode",
       "official",
       "--goma-dir",
       "[CACHE]/cipd/goma",
       "--goma-hermetic",
       "fallback",
       "--",
+      "chrome",
       "chromium_builder_perf"
     ],
     "env": {
       "GOMA_SERVICE_ACCOUNT_JSON_FILE": "/creds/service_accounts/service-account-goma-client.json"
     },
     "name": "compile",
     "~followup_annotations": [
       "@@@STEP_LOG_LINE@json.output (invalid)@null@@@",
       "@@@STEP_LOG_END@json.output (invalid)@@@"
     ]
@@ skipping 534 matching lines @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
       }
     ],
     "~followup_annotations": [
       "@@@STEP_TEXT@Mac Retina Perf (5)@@@"
     ]
   },
   {
+    "allow_subannotations": true,
+    "cmd": [
+      "python",
+      "-u",
+      "RECIPE_PACKAGE_REPO[build]/scripts/slave/runtest.py",
+      "--target",
+      "Release",
+      "--no-xvfb",
+      "--factory-properties",
+      "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"build_data_dir\": \"[ROOT]/build_data_dir\", \"buildername\": \"Mac Builder\", \"buildnumber\": 571, \"mastername\": \"chromium.perf\", \"parent_buildername\": null, \"recipe\": \"chromium\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
+      "--build-properties",
+      "{\"blamelist\": [\"cool_dev1337@chromium.org\", \"hax@chromium.org\"], \"build_data_dir\": \"[ROOT]/build_data_dir\", \"buildername\": \"Mac Builder\", \"buildnumber\": 571, \"mastername\": \"chromium.perf\", \"parent_buildername\": null, \"recipe\": \"chromium\", \"slavename\": \"TestSlavename\", \"workdir\": \"/path/to/workdir/TestSlavename\"}",
+      "--test-type=sizes",
+      "--builder-name=Mac Builder",
+      "--slave-name=TestSlavename",
+      "--build-number=571",
+      "--run-python-script",
+      "--annotate=graphing",
+      "--results-url=https://chromeperf.appspot.com",
+      "--perf-dashboard-id=sizes",
+      "--perf-id=mac",
+      "--perf-config={'r_clang_rev': '123456'}",
+      "RECIPE_PACKAGE_REPO[build]/scripts/slave/chromium/sizes.py",
+      "--target",
+      "Release",
+      "--platform",
+      "mac"
+    ],
+    "name": "sizes"
+  },
+  {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]