Extend chromium_tests trigger to work across masters.

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

Index: scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Mac_Builder.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Mac_Builder.json b/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Mac_Builder.json
index e6bbfd3f86717a87215ecfad91980b1894c63204..d684a67136d0aebd6553afc7f8273b84c83ed1b9 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Mac_Builder.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Mac_Builder.json
@@ -481,16 +481,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Mac 10.10 Release (ATI)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (2)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Mac 10.10 Release (Intel)",
         "properties": {
@@ -507,16 +498,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Mac 10.10 Release (Intel)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (3)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Mac 10.10 Retina Release (AMD)",
         "properties": {
@@ -533,16 +515,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Mac 10.10 Retina Release (AMD)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (4)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Mac Retina Release",
         "properties": {
@@ -559,16 +532,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Mac Retina Release@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (5)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Optional Mac 10.10 Release (Intel)",
         "properties": {
@@ -585,16 +549,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Optional Mac 10.10 Release (Intel)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (6)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Optional Mac 10.10 Retina Release (AMD)",
         "properties": {
@@ -611,16 +566,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Optional Mac 10.10 Retina Release (AMD)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (7)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Optional Mac Retina Release",
         "properties": {
@@ -640,7 +586,7 @@
       }
     ],
     "~followup_annotations": [
-      "@@@STEP_TEXT@Optional Mac Retina Release@@@"
+      "@@@STEP_TEXT@Mac 10.10 Release (ATI)<br />Mac 10.10 Release (Intel)<br />Mac 10.10 Retina Release (AMD)<br />Mac Retina Release<br />Optional Mac 10.10 Release (Intel)<br />Optional Mac 10.10 Retina Release (AMD)<br />Optional Mac Retina Release@@@"
     ]
   },
   {