[milo] Refactor all html knowledge out of backends.

milo/common/utils.go

Index: milo/common/utils.go
diff --git a/milo/common/utils.go b/milo/common/utils.go
deleted file mode 100644
index f9bdcc229d16632a6ac69e56312ef847e30ba0a1..0000000000000000000000000000000000000000
--- a/milo/common/utils.go
+++ /dev/null
@@ -1,44 +0,0 @@
-// Copyright 2015 The LUCI Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package common
-
-import (
-	"fmt"
-	"net/http"
-	"strconv"
-)
-
-// GetLimit extracts the "limit", "numbuilds", or "num_builds" http param from
-// the request, or returns "-1" implying no limit was specified.
-func GetLimit(r *http.Request) (int, error) {
-	sLimit := r.FormValue("limit")
-	if sLimit == "" {
-		sLimit = r.FormValue("numbuilds")
-		if sLimit == "" {
-			sLimit = r.FormValue("num_builds")
-			if sLimit == "" {
-				return -1, nil
-			}
-		}
-	}
-	limit, err := strconv.Atoi(sLimit)
-	if err != nil {
-		return -1, fmt.Errorf("limit parameter value %q is not a number: %s", sLimit, err)
-	}
-	if limit < 0 {
-		return -1, fmt.Errorf("limit parameter value %q is less than 0", sLimit)
-	}
-	return limit, nil
-}