Use MB on all of the blink bots.

scripts/slave/recipes/chromium_trybot.expected/use_v8_patch_on_blink_trybot.json

 [
   {
     "cmd": [
       "python",
       "-u",
       "[BUILD]/scripts/slave/bot_update.py",
       "--master",
       "tryserver.blink",
       "--builder",
       "mac_blink_rel",
@@ skipping 103 matching lines @@
   },
   {
     "cmd": [
       "python",
       "-u",
       "[DEPOT_TOOLS]/gclient.py",
       "runhooks"
     ],
     "cwd": "[SLAVE_BUILD]",
     "env": {
+      "GYP_CHROMIUM_NO_ACTION": "1",
       "GYP_DEFINES": "clang=1 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]/goma' target_arch=x64 test_isolation_mode=prepare use_goma=1"
     },
     "name": "gclient runhooks (with patch)"
   },
   {
     "cmd": [
       "python",
       "-u",
       "\nimport shutil\nimport sys\nshutil.copy(sys.argv[1], sys.argv[2])\n",
       "[SLAVE_BUILD]/src/testing/buildbot/chromium.webkit.json",
@@ skipping 68 matching lines @@
       "@@@STEP_LOG_LINE@json.output@    \"exclusions\": []@@@",
       "@@@STEP_LOG_LINE@json.output@  }@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@"
     ]
   },
   {
     "cmd": [
       "python",
       "-u",
-      "[SLAVE_BUILD]/src/build/gyp_chromium",
-      "--analyzer",
+      "[SLAVE_BUILD]/src/tools/mb/mb.py",
+      "analyze",
+      "-m",
+      "tryserver.blink",
+      "-b",
+      "mac_blink_rel",
+      "-v",
+      "//out/Release",
       "{\"additional_compile_targets\": [], \"files\": [\"v8/foo.cc\"], \"test_targets\": [\"blink_tests\"]}",
       "/path/to/tmp/json"
     ],
     "cwd": "[SLAVE_BUILD]",
-    "env": {
-      "GYP_DEFINES": "clang=1 component=static_library dcheck_always_on=1 fastbuild=1 gomadir='[BUILD]/goma' target_arch=x64 test_isolation_mode=prepare use_goma=1"
-    },
     "name": "analyze",
     "~followup_annotations": [
       "@@@STEP_TEXT@No compile necessary@@@",
       "@@@STEP_LOG_LINE@json.output@{@@@",
       "@@@STEP_LOG_LINE@json.output@  \"compile_targets\": [], @@@",
       "@@@STEP_LOG_LINE@json.output@  \"status\": \"No dependency\", @@@",
       "@@@STEP_LOG_LINE@json.output@  \"test_targets\": []@@@",
       "@@@STEP_LOG_LINE@json.output@}@@@",
       "@@@STEP_LOG_END@json.output@@@",
       "@@@STEP_LOG_LINE@analyze_details@{@@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"additional_compile_targets\": [], @@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"compile_targets\": [], @@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"self.m.filter.compile_targets\": [], @@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"self.m.filter.test_targets\": [], @@@",
       "@@@STEP_LOG_LINE@analyze_details@  \"test_targets\": [@@@",
       "@@@STEP_LOG_LINE@analyze_details@    \"blink_tests\"@@@",
       "@@@STEP_LOG_LINE@analyze_details@  ]@@@",
       "@@@STEP_LOG_LINE@analyze_details@}@@@",
       "@@@STEP_LOG_END@analyze_details@@@"
     ]
   },
   {
     "name": "$result",
     "recipe_result": null,
     "status_code": 0
   }
 ]