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

chrome/browser/supervised_user/experimental/safe_search_url_reporter_unittest.cc

 // Copyright 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/memory/scoped_ptr.h"
+#include "chrome/browser/supervised_user/experimental/safe_search_url_reporter.h"
+
+#include <memory>
+
 #include "base/message_loop/message_loop.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/values.h"
-#include "chrome/browser/supervised_user/experimental/safe_search_url_reporter.h"
 #include "components/signin/core/browser/fake_profile_oauth2_token_service.h"
 #include "net/base/net_errors.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 const char kAccountId[] = "account@gmail.com";
@@ skipping 84 matching lines @@
 TEST_F(SafeSearchURLReporterTest, NetworkError) {
   CreateRequest(0, GURL("http://google.com"));
 
   EXPECT_EQ(1U, token_service_.GetPendingRequests().size());
 
   IssueAccessTokens();
 
   EXPECT_CALL(*this, OnRequestCreated(false));
   SendFailedResponse(0);
 }