Convert //base to use std::unique_ptr

base/metrics/histogram_base_unittest.cc

 // Copyright (c) 2012 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 <vector>
 
 #include "base/metrics/histogram.h"
 #include "base/metrics/histogram_base.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/metrics/statistics_recorder.h"
@@ skipping 20 matching lines @@
     statistics_recorder_.reset();
     statistics_recorder_.reset(new StatisticsRecorder());
   }
 
   HistogramBase* GetCreationReportHistogram(const std::string& name) {
     HistogramBase::EnableActivityReportHistogram(name);
     return HistogramBase::report_histogram_;
   }
 
  private:
-  scoped_ptr<StatisticsRecorder> statistics_recorder_;
+  std::unique_ptr<StatisticsRecorder> statistics_recorder_;
 
   DISALLOW_COPY_AND_ASSIGN(HistogramBaseTest);
 };
 
 TEST_F(HistogramBaseTest, DeserializeHistogram) {
   HistogramBase* histogram = Histogram::FactoryGet(
       "TestHistogram", 1, 1000, 10,
       (HistogramBase::kUmaTargetedHistogramFlag |
       HistogramBase::kIPCSerializationSourceFlag));
 
@@ skipping 122 matching lines @@
   ranges.push_back(8);
   ranges.push_back(10);
 
   // Create all histogram types and verify counts.
   Histogram::FactoryGet("CRH-Histogram", 1, 10, 5, 0);
   LinearHistogram::FactoryGet("CRH-Linear", 1, 10, 5, 0);
   BooleanHistogram::FactoryGet("CRH-Boolean", 0);
   CustomHistogram::FactoryGet("CRH-Custom", ranges, 0);
   SparseHistogram::FactoryGet("CRH-Sparse", 0);
 
-  scoped_ptr<HistogramSamples> samples = report->SnapshotSamples();
+  std::unique_ptr<HistogramSamples> samples = report->SnapshotSamples();
   EXPECT_EQ(1, samples->GetCount(HISTOGRAM_REPORT_CREATED));
   EXPECT_EQ(5, samples->GetCount(HISTOGRAM_REPORT_HISTOGRAM_CREATED));
   EXPECT_EQ(0, samples->GetCount(HISTOGRAM_REPORT_HISTOGRAM_LOOKUP));
   EXPECT_EQ(1, samples->GetCount(HISTOGRAM_REPORT_TYPE_LOGARITHMIC));
   EXPECT_EQ(1, samples->GetCount(HISTOGRAM_REPORT_TYPE_LINEAR));
   EXPECT_EQ(1, samples->GetCount(HISTOGRAM_REPORT_TYPE_BOOLEAN));
   EXPECT_EQ(1, samples->GetCount(HISTOGRAM_REPORT_TYPE_CUSTOM));
   EXPECT_EQ(1, samples->GetCount(HISTOGRAM_REPORT_TYPE_SPARSE));
 
   // Create all flag types and verify counts.
@@ skipping 18 matching lines @@
   BooleanHistogram::FactoryGet("CRH-Boolean", 0);
   CustomHistogram::FactoryGet("CRH-Custom", ranges, 0);
   SparseHistogram::FactoryGet("CRH-Sparse", 0);
   samples = report->SnapshotSamples();
   EXPECT_EQ(1, samples->GetCount(HISTOGRAM_REPORT_CREATED));
   EXPECT_EQ(9, samples->GetCount(HISTOGRAM_REPORT_HISTOGRAM_CREATED));
   EXPECT_EQ(5, samples->GetCount(HISTOGRAM_REPORT_HISTOGRAM_LOOKUP));
 }
 
 }  // namespace base