[milo] {buildbucket,buildbot,swarming,logdog} -> backends/*.

milo/appengine/buildbucket/properties.go

Index: milo/appengine/buildbucket/properties.go
diff --git a/milo/appengine/buildbucket/properties.go b/milo/appengine/buildbucket/properties.go
deleted file mode 100644
index 904c2a4c7a126ac99876dd9211c933a7f1e04259..0000000000000000000000000000000000000000
--- a/milo/appengine/buildbucket/properties.go
+++ /dev/null
@@ -1,72 +0,0 @@
-// 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 buildbucket
-
-import (
-	"bytes"
-	"strconv"
-)
-
-// This file is about buildbucket build params in the format supported by
-// Buildbot.
-
-// properties is well-established build properties.
-type properties struct {
-	PatchStorage string `json:"patch_storage"` // e.g. "rietveld", "gerrit"
-
-	RietveldURL string `json:"rietveld"` // e.g. "https://codereview.chromium.org"
-	Issue       number `json:"issue"`    // e.g. 2127373005
-	PatchSet    number `json:"patchset"` // e.g. 40001 for rietveld
-
-	GerritPatchURL           string `json:"patch_gerrit_url"`     // e.g. "https://chromium-review.googlesource.com"
-	GerritPatchIssue         int    `json:"patch_issue"`          // e.g. 358171
-	GerritPatchSet           number `json:"patch_set"`            // e.g. 1
-	GerritPatchProject       string `json:"patch_project"`        // e.g. "infra/infra"
-	GerritPatchRepositoryURL string `json:"patch_repository_url"` // e.g. https://chromium.googlesource.com/infra/infra
-
-	Revision  string   `json:"revision"`  // e.g. "0b04861933367c62630751702c84fd64bc3caf6f"
-	BlameList []string `json:"blamelist"` // e.g. ["someone@chromium.org"]
-
-	// Fields below are present only in ResultDetails.
-
-	GotRevision string `json:"got_revision"` // e.g. "0b04861933367c62630751702c84fd64bc3caf6f"
-	BuildNumber int    `json:"buildnumber"`  // e.g. 3021
-}
-
-// number is an integer that supports JSON unmarshalling from a string.
-type number int
-
-// UnmarshalJSON parses data as an integer, whether data is a number or string.
-func (n *number) UnmarshalJSON(data []byte) error {
-	data = bytes.Trim(data, `"`)
-	num, err := strconv.Atoi(string(data))
-	if err == nil {
-		*n = number(num)
-	}
-	return err
-}
-
-// change is used in "changes" buildbucket parameters; supported by buildbot
-// See https://chromium.googlesource.com/chromium/tools/build/+/master/scripts/master/buildbucket/README.md#Build-parameters
-type change struct {
-	Author struct{ Email string }
-}
-
-// buildParameters is contents of "parameters_json" buildbucket build field
-// in the format supported by Buildbot, see
-// // See https://chromium.googlesource.com/chromium/tools/build/+/master/scripts/master/buildbucket/README.md#Build-parameters
-//
-// Buildbucket is not aware of this format, but majority of chrome-infra is.
-type buildParameters struct {
-	BuilderName string `json:"builder_name"`
-	Properties  properties
-	Changes     []change
-}
-
-// resultDetails is contents of "result_details_json" buildbucket build field
-// in the format supported by Buildbot.
-type resultDetails struct {
-	Properties properties
-}