Add DCHECK() for invalid URL in DeviceManagementService::StartJob()

components/policy/core/common/cloud/device_management_service.cc

 // Copyright (c) 2012 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.
 
 #include "components/policy/core/common/cloud/device_management_service.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 560 matching lines @@
     : configuration_(std::move(configuration)),
       initialized_(false),
       task_runner_(base::ThreadTaskRunnerHandle::Get()),
       weak_ptr_factory_(this) {
   DCHECK(configuration_);
 }
 
 void DeviceManagementService::StartJob(DeviceManagementRequestJobImpl* job) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
-  std::string server_url = GetServerUrl();
+  GURL url = job->GetURL(GetServerUrl());
+  DCHECK(url.is_valid()) << "Maybe invalid --device-management-url was passed?";
+
   net::URLFetcher* fetcher =
-      net::URLFetcher::Create(kURLFetcherID, job->GetURL(server_url),
-                              net::URLFetcher::POST, this).release();
+      net::URLFetcher::Create(kURLFetcherID, std::move(url),
+                              net::URLFetcher::POST, this)
+          .release();
   data_use_measurement::DataUseUserData::AttachToFetcher(
       fetcher, data_use_measurement::DataUseUserData::POLICY);
   job->ConfigureRequest(fetcher);
   pending_jobs_[fetcher] = job;
   fetcher->Start();
 }
 
 void DeviceManagementService::StartJobAfterDelay(
     base::WeakPtr<DeviceManagementRequestJobImpl> job) {
   // Check if the job still exists (it is possible that it had been canceled
@@ skipping 63 matching lines @@
     }
   }
 
   const JobQueue::iterator elem =
       std::find(queued_jobs_.begin(), queued_jobs_.end(), job);
   if (elem != queued_jobs_.end())
     queued_jobs_.erase(elem);
 }
 
 }  // namespace policy