ABANDONED: chromeos: Remove spammy "Failed to get machine id" warning.

chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.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 "chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 214 matching lines @@
   chromeos::system::StatisticsProvider* provider =
       chromeos::system::StatisticsProvider::GetInstance();
   for (size_t i = 0; i < arraysize(kMachineInfoSerialNumberKeys); i++) {
     if (provider->HasMachineStatistic(kMachineInfoSerialNumberKeys[i]) &&
         provider->GetMachineStatistic(kMachineInfoSerialNumberKeys[i],
                                       &machine_id) &&
         !machine_id.empty()) {
       break;
     }
   }
-
-  if (machine_id.empty()) {
-    LOG(WARNING) << "Failed to get machine id. This is only an error if the "
-                    "device has not yet been enrolled or claimed by a local "
-                    "user.";
-  }
-
   return machine_id;
 }
 
 // static
 std::string DeviceCloudPolicyManagerChromeOS::GetMachineModel() {
   return GetMachineStatistic(chromeos::system::kHardwareClassKey);
 }
 
 // static
 ZeroTouchEnrollmentMode
@@ skipping 127 matching lines @@
       base::MakeUnique<DeviceStatusCollector>(
           local_state_, chromeos::system::StatisticsProvider::GetInstance(),
           DeviceStatusCollector::LocationUpdateRequester(),
           DeviceStatusCollector::VolumeInfoFetcher(),
           DeviceStatusCollector::CPUStatisticsFetcher(),
           DeviceStatusCollector::CPUTempFetcher()),
       task_runner_));
 }
 
 }  // namespace policy