Remove ClonedInstallDetector/MachineIdProvider //content dependencies

chrome/browser/metrics/metrics_state_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_METRICS_METRICS_STATE_MANAGER_H_
 #define CHROME_BROWSER_METRICS_METRICS_STATE_MANAGER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 24 matching lines @@
   // not opted in to metrics reporting.
   const std::string& client_id() const { return client_id_; }
 
   // Forces the client ID to be generated. This is useful in case it's needed
   // before recording.
   void ForceClientIdCreation();
 
   // Checks if this install was cloned or imaged from another machine. If a
   // clone is detected, resets the client id and low entropy source. This
   // should not be called more than once.
-  void CheckForClonedInstall();
+  void CheckForClonedInstall(
+      scoped_refptr<base::SingleThreadTaskRunner> task_runner);
 
   // Returns the preferred entropy provider used to seed persistent activities
   // based on whether or not metrics reporting is permitted on this client.
   //
   // If metrics reporting is enabled, this method returns an entropy provider
   // that has a high source of entropy, partially based on the client ID.
   // Otherwise, it returns an entropy provider that is based on a low entropy
   // source.
   scoped_ptr<const base::FieldTrial::EntropyProvider> CreateEntropyProvider();
 
@@ skipping 59 matching lines @@
   EntropySourceType entropy_source_returned_;
 
   scoped_ptr<ClonedInstallDetector> cloned_install_detector_;
 
   DISALLOW_COPY_AND_ASSIGN(MetricsStateManager);
 };
 
 }  // namespace metrics
 
 #endif  // CHROME_BROWSER_METRICS_METRICS_STATE_MANAGER_H_