Extend chromium_tests trigger to work across masters.

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

Index: scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Mac_Builder__dbg_.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Mac_Builder__dbg_.json b/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Mac_Builder__dbg_.json
index 8ac86838e81e4bfa58a7fdc45f6cfccec41d3d7a..e6cad4d9d7f8d46b259615358f21778107d88429 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Mac_Builder__dbg_.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Mac_Builder__dbg_.json
@@ -436,6 +436,7 @@
     "name": "trigger",
     "trigger_specs": [
       {
+        "bucket": "master.chromium.gpu.fyi",
         "builder_name": "Mac 10.10 Debug (ATI)",
         "properties": {
           "parent_got_angle_revision": "fac9503c46405f77757b9a728eb85b8d7bc6080c",
@@ -451,17 +452,9 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Mac 10.10 Debug (ATI)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (2)",
-    "trigger_specs": [
+      },
       {
+        "bucket": "master.chromium.gpu.fyi",
         "builder_name": "Mac 10.10 Debug (Intel)",
         "properties": {
           "parent_got_angle_revision": "fac9503c46405f77757b9a728eb85b8d7bc6080c",
@@ -477,17 +470,9 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Mac 10.10 Debug (Intel)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (3)",
-    "trigger_specs": [
+      },
       {
+        "bucket": "master.chromium.gpu.fyi",
         "builder_name": "Mac 10.10 Retina Debug (AMD)",
         "properties": {
           "parent_got_angle_revision": "fac9503c46405f77757b9a728eb85b8d7bc6080c",
@@ -503,17 +488,9 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Mac 10.10 Retina Debug (AMD)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (4)",
-    "trigger_specs": [
+      },
       {
+        "bucket": "master.chromium.gpu.fyi",
         "builder_name": "Mac Retina Debug",
         "properties": {
           "parent_got_angle_revision": "fac9503c46405f77757b9a728eb85b8d7bc6080c",
@@ -532,7 +509,7 @@
       }
     ],
     "~followup_annotations": [
-      "@@@STEP_TEXT@Mac Retina Debug@@@"
+      "@@@STEP_TEXT@Mac 10.10 Debug (ATI)<br />Mac 10.10 Debug (Intel)<br />Mac 10.10 Retina Debug (AMD)<br />Mac Retina Debug@@@"
     ]
   },
   {