Convert //components/prefs from scoped_ptr to std::unique_ptr

components/prefs/default_pref_store_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 "base/macros.h"
 #include "components/prefs/default_pref_store.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::StringValue;
 using base::Value;
@@ skipping 36 matching lines @@
 
 }  // namespace
 
 TEST(DefaultPrefStoreTest, NotifyPrefValueChanged) {
   scoped_refptr<DefaultPrefStore> pref_store(new DefaultPrefStore);
   MockPrefStoreObserver observer(pref_store.get());
   std::string kPrefKey("pref_key");
 
   // Setting a default value shouldn't send a change notification.
   pref_store->SetDefaultValue(kPrefKey,
-                              scoped_ptr<Value>(new StringValue("foo")));
+                              std::unique_ptr<Value>(new StringValue("foo")));
   EXPECT_EQ(0, observer.change_count());
 
   // Replacing the default value should send a change notification...
-  pref_store->ReplaceDefaultValue(kPrefKey,
-                                  scoped_ptr<Value>(new StringValue("bar")));
+  pref_store->ReplaceDefaultValue(
+      kPrefKey, std::unique_ptr<Value>(new StringValue("bar")));
   EXPECT_EQ(1, observer.change_count());
 
   // But only if the value actually changed.
-  pref_store->ReplaceDefaultValue(kPrefKey,
-                                  scoped_ptr<Value>(new StringValue("bar")));
+  pref_store->ReplaceDefaultValue(
+      kPrefKey, std::unique_ptr<Value>(new StringValue("bar")));
   EXPECT_EQ(1, observer.change_count());
 }