Convert //chrome/browser/extensions from scoped_ptr to std::unique_ptr

chrome/browser/extensions/api/signed_in_devices/id_mapping_helper_unittest.cc

 // Copyright (c) 2013 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 "chrome/browser/extensions/api/signed_in_devices/id_mapping_helper.h"
+
+#include <memory>
 #include <string>
 
 #include "base/guid.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/values.h"
-#include "chrome/browser/extensions/api/signed_in_devices/id_mapping_helper.h"
 #include "components/sync_driver/device_info.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using sync_driver::DeviceInfo;
 
 namespace extensions {
 bool VerifyDictionary(
     const std::string& path,
     const std::string& expected_value,
@@ skipping 56 matching lines @@
   EXPECT_NE(public_id3, public_id2);
 
   // Verify the dictionary.
   EXPECT_TRUE(VerifyDictionary(public_id1, devices[0]->guid(), dictionary));
   EXPECT_TRUE(VerifyDictionary(public_id2, devices[1]->guid(), dictionary));
   EXPECT_TRUE(VerifyDictionary(public_id3, devices[2]->guid(), dictionary));
 
   EXPECT_EQ(dictionary.size(), 3U);
 }
 }  // namespace extensions