Move MetricsStateManager into the Metrics component.

chrome/browser/metrics/extensions_metrics_provider.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/extensions_metrics_provider.h"
 
 #include <set>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/browser_process.h"
-#include "chrome/browser/metrics/metrics_state_manager.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "components/metrics/metrics_log_base.h"
+#include "components/metrics/metrics_state_manager.h"
 #include "components/metrics/proto/system_profile.pb.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/extension_set.h"
 #include "third_party/smhasher/src/City.h"
 
 namespace {
 
 // The number of possible hash keys that a client may use.  The UMA client_id
 // value is reduced modulo this value to produce the key used by that
 // particular client.
@@ skipping 83 matching lines @@
        it != extensions->end();
        ++it) {
     buckets.insert(HashExtension((*it)->id(), client_key));
   }
 
   for (std::set<int>::const_iterator it = buckets.begin(); it != buckets.end();
        ++it) {
     system_profile->add_occupied_extension_bucket(*it);
   }
 }