Remove ClonedInstallDetector/MachineIdProvider //content dependencies

chrome/browser/metrics/metrics_state_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_state_manager.h"
 
 #include "base/command_line.h"
 #include "base/guid.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/sparse_histogram.h"
@@ skipping 91 matching lines @@
   if (local_state_->GetString(prefs::kMetricsOldClientID).empty()) {
     // Record the timestamp of when the user opted in to UMA.
     local_state_->SetInt64(prefs::kMetricsReportingEnabledTimestamp,
                            base::Time::Now().ToTimeT());
   } else {
     UMA_HISTOGRAM_BOOLEAN("UMA.ClientIdMigrated", true);
   }
   local_state_->ClearPref(prefs::kMetricsOldClientID);
 }
 
-void MetricsStateManager::CheckForClonedInstall() {
+void MetricsStateManager::CheckForClonedInstall(
+    scoped_refptr<base::SingleThreadTaskRunner> task_runner) {
   DCHECK(!cloned_install_detector_);
 
   MachineIdProvider* provider = MachineIdProvider::CreateInstance();
   if (!provider)
     return;
 
   cloned_install_detector_.reset(new ClonedInstallDetector(provider));
-  cloned_install_detector_->CheckForClonedInstall(local_state_);
+  cloned_install_detector_->CheckForClonedInstall(local_state_, task_runner);
 }
 
 scoped_ptr<const base::FieldTrial::EntropyProvider>
 MetricsStateManager::CreateEntropyProvider() {
   // For metrics reporting-enabled users, we combine the client ID and low
   // entropy source to get the final entropy source. Otherwise, only use the low
   // entropy source.
   // This has two useful properties:
   //  1) It makes the entropy source less identifiable for parties that do not
   //     know the low entropy source.
@@ skipping 93 matching lines @@
 
   DCHECK(client_id_.empty());
   DCHECK_EQ(kLowEntropySourceNotSet, low_entropy_source_);
 
   local_state_->ClearPref(prefs::kMetricsClientID);
   local_state_->ClearPref(prefs::kMetricsLowEntropySource);
   local_state_->ClearPref(prefs::kMetricsResetIds);
 }
 
 }  // namespace metrics