Remove ScopedVector in //component/metrics

chromecast/browser/metrics/external_metrics.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 "chromecast/browser/metrics/external_metrics.h"
 
 #include <stddef.h>
 
 #include <string>
 
@@ skipping 87 matching lines @@
 
 void ExternalMetrics::RecordSparseHistogram(
     const ::metrics::MetricSample& sample) {
   CHECK_EQ(::metrics::MetricSample::SPARSE_HISTOGRAM, sample.type());
   base::HistogramBase* counter = base::SparseHistogram::FactoryGet(
       sample.name(), base::HistogramBase::kUmaTargetedHistogramFlag);
   counter->Add(sample.sample());
 }
 
 int ExternalMetrics::CollectEvents() {
-  ScopedVector< ::metrics::MetricSample> samples;
+  std::vector<std::unique_ptr<::metrics::MetricSample>> samples;
   ::metrics::SerializationUtils::ReadAndTruncateMetricsFromFile(
       uma_events_file_, &samples);
 
-  for (ScopedVector< ::metrics::MetricSample>::iterator it = samples.begin();
-       it != samples.end();
-       ++it) {
+  for (auto it = samples.begin(); it != samples.end(); ++it) {
     const ::metrics::MetricSample& sample = **it;
 
     switch (sample.type()) {
       case ::metrics::MetricSample::CRASH:
         RecordCrash(sample.name());
         break;
       case ::metrics::MetricSample::USER_ACTION:
         CastMetricsHelper::GetInstance()->RecordSimpleAction(sample.name());
         break;
       case ::metrics::MetricSample::HISTOGRAM:
@@ skipping 33 matching lines @@
       content::BrowserThread::FILE,
       FROM_HERE,
       base::Bind(&ExternalMetrics::CollectEventsAndReschedule,
                  weak_factory_.GetWeakPtr()),
       base::TimeDelta::FromSeconds(kExternalMetricsCollectionIntervalSeconds));
   DCHECK(result);
 }
 
 }  // namespace metrics
 }  // namespace chromecast