Convert //chrome from scoped_ptr to std::unique_ptr

chrome/service/service_process_prefs_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 <string>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
 #include "base/sequenced_task_runner.h"
 #include "chrome/service/service_process_prefs.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 class ServiceProcessPrefsTest : public testing::Test {
  protected:
   void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     prefs_.reset(new ServiceProcessPrefs(
         temp_dir_.path().AppendASCII("service_process_prefs.txt"),
         message_loop_.task_runner().get()));
   }
 
   void TearDown() override { prefs_.reset(); }
 
   // The path to temporary directory used to contain the test operations.
   base::ScopedTempDir temp_dir_;
   // A message loop that we can use as the file thread message loop.
   base::MessageLoop message_loop_;
-  scoped_ptr<ServiceProcessPrefs> prefs_;
+  std::unique_ptr<ServiceProcessPrefs> prefs_;
 };
 
 // Test ability to retrieve prefs
 TEST_F(ServiceProcessPrefsTest, RetrievePrefs) {
   prefs_->SetBoolean("testb", true);
   prefs_->SetString("tests", "testvalue");
   prefs_->WritePrefs();
   message_loop_.RunUntilIdle();
   prefs_->SetBoolean("testb", false);   // overwrite
   prefs_->SetString("tests", std::string());  // overwrite
   prefs_->ReadPrefs();
   EXPECT_EQ(prefs_->GetBoolean("testb", false), true);
   EXPECT_EQ(prefs_->GetString("tests", std::string()), "testvalue");
 }