Supervised Users: Create ResourceThrottle only if filtering is enabled

chrome/browser/search/search_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 <stddef.h>
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
@@ skipping 425 matching lines @@
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
 TEST_F(SearchTest, UseLocalNTPIfNTPURLIsBlockedForSupervisedUser) {
   // Block access to foo.com in the URL filter.
   SupervisedUserService* supervised_user_service =
       SupervisedUserServiceFactory::GetForProfile(profile());
   SupervisedUserURLFilter* url_filter =
       supervised_user_service->GetURLFilterForUIThread();
   std::map<std::string, bool> hosts;
   hosts["foo.com"] = false;
   url_filter->SetManualHosts(&hosts);
+  url_filter->SetEnabled(true);
 
   EXPECT_EQ(GURL(chrome::kChromeSearchLocalNtpUrl),
             GetNewTabPageURL(profile()));
   GURL new_tab_url(chrome::kChromeUINewTabURL);
   EXPECT_TRUE(HandleNewTabURLRewrite(&new_tab_url, profile()));
   EXPECT_EQ(GURL(chrome::kChromeSearchLocalNtpUrl), new_tab_url);
   EXPECT_EQ(GURL(), GetInstantURL(profile(), false));
 }
 #endif
 
@@ skipping 212 matching lines @@
   TemplateURLRef::SearchTermsArgs search_terms_args(base::ASCIIToUTF16("foo"));
   GURL result(template_url_->url_ref().ReplaceSearchTerms(
       search_terms_args, UIThreadSearchTermsData(profile())));
   ASSERT_TRUE(result.is_valid());
   // Query extraction is disabled. Make sure
   // {google:instantExtendedEnabledParameter} is not set in the search URL.
   EXPECT_EQ("http://www.google.com/search?q=foo", result.spec());
 }
 
 }  // namespace search