Backend for new run_chromium_analysis CT task

ct/go/ctfe/util/util.go

 /*
         Utility functions used by all of ctfe.
 */
 
 package util
 
 import (
         "fmt"
         "net/http"
         "strings"
         "text/template"
 
         "go.skia.org/infra/go/httputils"
         "go.skia.org/infra/go/login"
 )
 
 // URIs for frontend handlers.
 const (
         CHROMIUM_PERF_URI                       = "chromium_perf/"
         CHROMIUM_PERF_RUNS_URI                  = "chromium_perf_runs/"
+        CHROMIUM_ANALYSIS_URI                   = "chromium_analysis/"
+        CHROMIUM_ANALYSIS_RUNS_URI              = "chromium_analysis_runs/"
         GET_CHROMIUM_PERF_RUN_STATUS_URI        = "get_chromium_perf_run_status"
         CHROMIUM_PERF_PARAMETERS_POST_URI       = "_/chromium_perf/"
         CHROMIUM_PERF_CL_DATA_POST_URI          = "_/cl_data"
         ADD_CHROMIUM_PERF_TASK_POST_URI         = "_/add_chromium_perf_task"
         GET_CHROMIUM_PERF_TASKS_POST_URI        = "_/get_chromium_perf_tasks"
         UPDATE_CHROMIUM_PERF_TASK_POST_URI      = "_/update_chromium_perf_task"
         WEBHOOK_ADD_CHROMIUM_PERF_TASK_POST_URI = "_/webhook_add_chromium_perf_task"
         DELETE_CHROMIUM_PERF_TASK_POST_URI      = "_/delete_chromium_perf_task"
         REDO_CHROMIUM_PERF_TASK_POST_URI        = "_/redo_chromium_perf_task"
 
@@ skipping 83 matching lines @@
 }
 
 func CheckLengths(checks []LengthCheck) error {
         for _, check := range checks {
                 if int64(len(check.Value)) > check.Limit {
                         return fmt.Errorf("Value of %s is too long; limit %d bytes", check.Name, check.Limit)
                 }
         }
         return nil
 }