Revert of Delete base/prefs and update callers to use components.

components/metrics/daily_event.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 "components/metrics/daily_event.h"
 
 #include <utility>
 
 #include "base/i18n/time_formatting.h"
 #include "base/metrics/histogram.h"
-#include "components/prefs/pref_registry_simple.h"
-#include "components/prefs/pref_service.h"
+#include "base/prefs/pref_registry_simple.h"
+#include "base/prefs/pref_service.h"
 
 namespace metrics {
 
 namespace {
 
 enum IntervalType {
   FIRST_RUN,
   DAY_ELAPSED,
   CLOCK_CHANGED,
   NUM_INTERVAL_TYPES
@@ skipping 76 matching lines @@
 
   // Notify all observers
   for (ScopedVector<DailyEvent::Observer>::iterator it = observers_.begin();
        it != observers_.end();
        ++it) {
     (*it)->OnDailyEvent();
   }
 }
 
 }  // namespace metrics