Milo: Add machine pool info for buildbot builder view.

milo/appengine/frontend/buildbot_data.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 package frontend
 
 import (
         "fmt"
 
         "github.com/luci/gae/impl/memory"
@@ skipping 36 matching lines @@
                                 "Builder": &resp.Builder{
                                         Name: "Sample Builder",
                                 },
                         },
                 },
                 {
                         Description: "Basic Test with builds",
                         Data: templates.Args{
                                 "Builder": &resp.Builder{
                                         Name: "Sample Builder",
+                                        MachinePool: &resp.MachinePool{
+                                                Total:        15,
+                                                Disconnected: 13,
+                                                Idle:         5,
+                                                Busy:         8,
+                                        },
                                         CurrentBuilds: []*resp.BuildSummary{
                                                 {
                                                         Link: &resp.Link{
                                                                 URL:   "https://some.url/path",
                                                                 Label: "Some current build",
                                                         },
                                                         Revision: "deadbeef",
                                                 },
                                         },
                                         PendingBuilds: []*resp.BuildSummary{
@@ skipping 12 matching lines @@
                                                                 Label: "Some current build",
                                                         },
                                                         Revision: "deadbeef",
                                                 },
                                         },
                                 },
                         },
                 },
         }
 }