Remove ScopedVector in //component/metrics

components/metrics/daily_event.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 COMPONENTS_METRICS_DAILY_EVENT_H_
 #define COMPONENTS_METRICS_DAILY_EVENT_H_
 
 #include <memory>
+#include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_vector.h"
 #include "base/time/time.h"
 
 class PrefRegistrySimple;
 class PrefService;
 
 namespace metrics {
 
 // DailyEvent is used for throttling an event to about once per day, even if
 // the program is restarted more frequently.  It is based on local machine
 // time, so it could be fired more often if the clock is changed.
@@ skipping 51 matching lines @@
   PrefService* pref_service_;
 
   // The name of the preference to store the last fired time in.
   // Calling code should ensure this outlives the DailyEvent.
   const char* pref_name_;
 
   // The name of the histogram to record intervals.
   std::string histogram_name_;
 
   // A list of observers.
-  ScopedVector<Observer> observers_;
+  std::vector<std::unique_ptr<Observer>> observers_;
 
   // The time that the daily event was last fired.
   base::Time last_fired_;
 
   DISALLOW_COPY_AND_ASSIGN(DailyEvent);
 };
 
 }  // namespace metrics
 
 #endif  // COMPONENTS_METRICS_DAILY_EVENT_H_