Extend chromium_tests trigger to work across masters.

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

Index: scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Win_Builder.json
diff --git a/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Win_Builder.json b/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Win_Builder.json
index 19ccadcce2763d961999e3f969f605642448641d..ec2be4073f082a89eac16f86511d2b22ea38f6af 100644
--- a/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Win_Builder.json
+++ b/scripts/slave/recipes/chromium.expected/full_chromium_gpu_fyi_GPU_Win_Builder.json
@@ -478,16 +478,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Optional Win7 Release (ATI)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (2)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Optional Win7 Release (NVIDIA)",
         "properties": {
@@ -506,16 +497,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Optional Win7 Release (NVIDIA)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (3)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Win7 Release (ATI)",
         "properties": {
@@ -534,16 +516,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Win7 Release (ATI)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (4)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Win7 Release (NVIDIA GeForce 730)",
         "properties": {
@@ -562,16 +535,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Win7 Release (NVIDIA GeForce 730)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (5)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Win7 Release (NVIDIA)",
         "properties": {
@@ -590,16 +554,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Win7 Release (NVIDIA)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (6)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Win7 Release (New Intel)",
         "properties": {
@@ -618,16 +573,7 @@
           "parent_got_webrtc_revision": "0f90628433546e61d9268596da93418c623137f4",
           "parent_got_webrtc_revision_cp": "refs/heads/master@{#120644}"
         }
-      }
-    ],
-    "~followup_annotations": [
-      "@@@STEP_TEXT@Win7 Release (New Intel)@@@"
-    ]
-  },
-  {
-    "cmd": [],
-    "name": "trigger (7)",
-    "trigger_specs": [
+      },
       {
         "builder_name": "Win8 Release (NVIDIA)",
         "properties": {
@@ -649,7 +595,7 @@
       }
     ],
     "~followup_annotations": [
-      "@@@STEP_TEXT@Win8 Release (NVIDIA)@@@"
+      "@@@STEP_TEXT@Optional Win7 Release (ATI)<br />Optional Win7 Release (NVIDIA)<br />Win7 Release (ATI)<br />Win7 Release (NVIDIA GeForce 730)<br />Win7 Release (NVIDIA)<br />Win7 Release (New Intel)<br />Win8 Release (NVIDIA)@@@"
     ]
   },
   {