Remove more //chrome dependencies from VariationsService

chrome/browser/metrics/metrics_services_manager.cc

 // Copyright 2014 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/metrics/metrics_services_manager.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 50 matching lines @@
   }
   return rappor_service_.get();
 }
 
 chrome_variations::VariationsService*
 MetricsServicesManager::GetVariationsService() {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (!variations_service_) {
     variations_service_ = chrome_variations::VariationsService::Create(
         make_scoped_ptr(new ChromeVariationsServiceClient()), local_state_,
-        GetMetricsStateManager());
+        GetMetricsStateManager(), switches::kDisableBackgroundNetworking);
   }
   return variations_service_.get();
 }
 
 void MetricsServicesManager::OnPluginLoadingError(
     const base::FilePath& plugin_path) {
   GetChromeMetricsServiceClient()->LogPluginLoadingError(plugin_path);
 }
 
 ChromeMetricsServiceClient*
@@ skipping 83 matching lines @@
   if (GetSafeBrowsingState())
     recording_groups |= rappor::SAFEBROWSING_RAPPOR_GROUP;
 #endif  // defined(GOOGLE_CHROME_BUILD)
   GetRapporService()->Update(recording_groups, may_upload_);
 }
 
 void MetricsServicesManager::UpdateUploadPermissions(bool may_upload) {
   return UpdatePermissions(
       ChromeMetricsServiceAccessor::IsMetricsReportingEnabled(), may_upload);
 }