Remove ClonedInstallDetector/MachineIdProvider //content dependencies

chrome/browser/metrics/metrics_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.
 
 //------------------------------------------------------------------------------
 // Description of the life cycle of a instance of MetricsService.
 //
 //  OVERVIEW
 //
 // A MetricsService instance is typically created at application startup.  It is
@@ skipping 1703 matching lines @@
       }
       return;
     }
   }
 
   SyntheticTrialGroup trial_group = trial;
   trial_group.start_time = base::TimeTicks::Now();
   synthetic_trial_groups_.push_back(trial_group);
 }
 
-void MetricsService::CheckForClonedInstall() {
-  state_manager_->CheckForClonedInstall();
+void MetricsService::CheckForClonedInstall(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
+  state_manager_->CheckForClonedInstall(task_runner);
 }
 
 void MetricsService::GetCurrentSyntheticFieldTrials(
     std::vector<variations::ActiveGroupId>* synthetic_trials) {
   DCHECK(synthetic_trials);
   synthetic_trials->clear();
   const MetricsLog* current_log =
       static_cast<const MetricsLog*>(log_manager_.current_log());
   for (size_t i = 0; i < synthetic_trial_groups_.size(); ++i) {
     if (synthetic_trial_groups_[i].start_time <= current_log->creation_time())
@@ skipping 218 matching lines @@
   if (metrics_service)
     metrics_service->AddObserver(observer);
 }
 
 void MetricsServiceHelper::RemoveMetricsServiceObserver(
     MetricsServiceObserver* observer) {
   MetricsService* metrics_service = g_browser_process->metrics_service();
   if (metrics_service)
     metrics_service->RemoveObserver(observer);
 }