Convert //base to use std::unique_ptr

base/metrics/persistent_sample_map_unittest.cc

 // Copyright (c) 2016 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 "base/metrics/persistent_sample_map.h"
 
-#include "base/memory/scoped_ptr.h"
+#include <memory>
+
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
 namespace {
 
 TEST(PersistentSampleMapTest, AccumulateTest) {
   LocalPersistentMemoryAllocator allocator(64 << 10, 0, "");  // 64 KiB
 
   HistogramSamples::Metadata* meta =
       allocator.GetAsObject<HistogramSamples::Metadata>(
@@ skipping 111 matching lines @@
 
   HistogramSamples::Metadata* meta =
       allocator.GetAsObject<HistogramSamples::Metadata>(
           allocator.Allocate(sizeof(HistogramSamples::Metadata), 0), 0);
   PersistentSampleMap samples(1, &allocator, meta);
   samples.Accumulate(1, 100);
   samples.Accumulate(2, 200);
   samples.Accumulate(4, -300);
   samples.Accumulate(5, 0);
 
-  scoped_ptr<SampleCountIterator> it = samples.Iterator();
+  std::unique_ptr<SampleCountIterator> it = samples.Iterator();
 
   HistogramBase::Sample min;
   HistogramBase::Sample max;
   HistogramBase::Count count;
 
   it->Get(&min, &max, &count);
   EXPECT_EQ(1, min);
   EXPECT_EQ(2, max);
   EXPECT_EQ(100, count);
   EXPECT_FALSE(it->GetBucketIndex(NULL));
@@ skipping 30 matching lines @@
   HistogramSamples::Metadata* meta2 =
       allocator.GetAsObject<HistogramSamples::Metadata>(
           allocator.Allocate(sizeof(HistogramSamples::Metadata), 0), 0);
   PersistentSampleMap samples2(2, &allocator, meta2);
   samples2.Accumulate(5, 1);
   samples2.Accumulate(20, 4);
   samples2.Accumulate(25, 5);
 
   samples.Subtract(samples2);
 
-  scoped_ptr<SampleCountIterator> it = samples.Iterator();
+  std::unique_ptr<SampleCountIterator> it = samples.Iterator();
   EXPECT_FALSE(it->Done());
 
   HistogramBase::Sample min;
   HistogramBase::Sample max;
   HistogramBase::Count count;
 
   it->Get(&min, &max, &count);
   EXPECT_EQ(10, min);
   EXPECT_EQ(11, max);
   EXPECT_EQ(2, count);
@@ skipping 13 matching lines @@
 // Only run this test on builds that support catching a DCHECK crash.
 #if (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)) && GTEST_HAS_DEATH_TEST
 TEST(PersistentSampleMapIteratorDeathTest, IterateDoneTest) {
   LocalPersistentMemoryAllocator allocator(64 << 10, 0, "");  // 64 KiB
 
   HistogramSamples::Metadata* meta =
       allocator.GetAsObject<HistogramSamples::Metadata>(
           allocator.Allocate(sizeof(HistogramSamples::Metadata), 0), 0);
   PersistentSampleMap samples(1, &allocator, meta);
 
-  scoped_ptr<SampleCountIterator> it = samples.Iterator();
+  std::unique_ptr<SampleCountIterator> it = samples.Iterator();
 
   EXPECT_TRUE(it->Done());
 
   HistogramBase::Sample min;
   HistogramBase::Sample max;
   HistogramBase::Count count;
   EXPECT_DEATH(it->Get(&min, &max, &count), "");
 
   EXPECT_DEATH(it->Next(), "");
 
   samples.Accumulate(1, 100);
   it = samples.Iterator();
   EXPECT_FALSE(it->Done());
 }
 #endif
 // (!defined(NDEBUG) || defined(DCHECK_ALWAYS_ON)) && GTEST_HAS_DEATH_TEST
 
 }  // namespace
 }  // namespace base