Remove "Missing Worker Pool Configuration: ..." DLOG.

components/task_scheduler_util/common/variations_util.cc

 // 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.
 
 #include "components/task_scheduler_util/common/variations_util.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_piece.h"
@@ skipping 81 matching lines @@
 std::vector<base::SchedulerWorkerPoolParams> GetWorkerPoolParams(
     const std::vector<SchedulerImmutableWorkerPoolParams>&
         constant_worker_pool_params_vector,
     const std::map<std::string, std::string>& variation_params) {
   std::vector<base::SchedulerWorkerPoolParams> worker_pool_params_vector;
   for (const auto& constant_worker_pool_params :
        constant_worker_pool_params_vector) {
     const char* const worker_pool_name = constant_worker_pool_params.name();
     auto it = variation_params.find(worker_pool_name);
     if (it == variation_params.end()) {
-      DLOG(ERROR) << "Missing Worker Pool Configuration: " << worker_pool_name;
+      // Non-branded builds don't have access to external worker pool
+      // configurations.
       return std::vector<base::SchedulerWorkerPoolParams>();
     }
     const auto variable_worker_pool_params =
         StringToVariableWorkerPoolParams(it->second);
     if (variable_worker_pool_params.max_threads <= 0 ||
         variable_worker_pool_params.detach_period <= base::TimeDelta()) {
       DLOG(ERROR) << "Invalid Worker Pool Configuration: " << worker_pool_name
                   << " [" << it->second << "]";
       return std::vector<base::SchedulerWorkerPoolParams>();
     }
@@ skipping 53 matching lines @@
       return std::map<std::string, std::string>();
     }
     base::StringPiece value = *it;
     variation_params[key.as_string()] = value.as_string();
   }
   return variation_params;
 }
 #endif  // !defined(OS_IOS)
 
 }  // namespace task_scheduler_util