Convert //chrome/installer from scoped_ptr to std::unique_ptr

chrome/installer/util/uninstall_metrics_unittest.cc

 // Copyright 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/installer/util/uninstall_metrics.h"
 
+#include <memory>
 #include <string>
 
 #include "base/json/json_string_value_serializer.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string16.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace installer {
 
 TEST(UninstallMetricsTest, TestExtractUninstallMetrics) {
   // A make-believe JSON preferences file.
   std::string pref_string(
       "{ \n"
       "  \"foo\": \"bar\",\n"
@@ skipping 18 matching lines @@
   base::string16 expected_url_string(
       L"&installation_date2=1235341141"
       L"&last_launch_time_sec=1235341118"
       L"&last_observed_running_time_sec=1235341183"
       L"&launch_count=11&page_load_count=68"
       L"&uptime_sec=809");
 
   JSONStringValueDeserializer json_deserializer(pref_string);
   std::string error_message;
 
-  scoped_ptr<base::Value> root =
+  std::unique_ptr<base::Value> root =
       json_deserializer.Deserialize(NULL, &error_message);
   ASSERT_TRUE(root.get());
   base::string16 uninstall_metrics_string;
 
   EXPECT_TRUE(
       ExtractUninstallMetrics(*static_cast<base::DictionaryValue*>(root.get()),
                               &uninstall_metrics_string));
   EXPECT_EQ(expected_url_string, uninstall_metrics_string);
 }
 
 }  // namespace installer