Adds checking of template error

go/src/infra/tricium/service/gerrit-reporter/handlers.go

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Package handlers implements HTTP handlers for the gerrit-reporter module.
 package handlers
 
 import (
-        "html/template"
         "net/http"
+
+        "infra/tricium/service/common"
 )
 
 func init() {
         http.HandleFunc("/gerrit-reporter/status", statusPageHandler)
         http.HandleFunc("/gerrit-reporter/queue-handler", queueHandler)
 }
 
-var basePage = template.Must(template.ParseFiles("templates/base.html"))
-
 func statusPageHandler(w http.ResponseWriter, r *http.Request) {
         // TODO(emso): Add Gerrit reporter stats
-        data := map[string]interface{}{
+        d := map[string]interface{}{
                 "Msg": "Status of the Gerrit Reporter ...",
         }
-        basePage.Execute(w, data)
+        common.ShowBasePage(w, d)
 }
 
 func queueHandler(w http.ResponseWriter, r *http.Request) {
         // TODO(emso): Process request and report event to Gerrit
 }