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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "components/ntp_snippets/pref_util.h" | 5 #include "components/ntp_snippets/pref_util.h" |
6 | 6 |
7 #include <memory> | 7 #include <memory> |
8 | 8 |
9 #include "base/values.h" | 9 #include "base/values.h" |
10 #include "components/prefs/pref_service.h" | 10 #include "components/prefs/pref_service.h" |
11 | 11 |
12 namespace ntp_snippets { | 12 namespace ntp_snippets { |
13 namespace prefs { | 13 namespace prefs { |
14 | 14 |
15 std::set<std::string> ReadDismissedIDsFromPrefs(const PrefService& pref_service, | 15 std::set<std::string> ReadDismissedIDsFromPrefs(const PrefService& pref_service, |
16 const std::string& pref_name) { | 16 const std::string& pref_name) { |
17 std::set<std::string> dismissed_ids; | 17 std::set<std::string> dismissed_ids; |
18 const base::ListValue* list = pref_service.GetList(pref_name); | 18 const base::ListValue* list = pref_service.GetList(pref_name); |
19 for (const base::Value& value : *list) { | 19 for (const std::unique_ptr<base::Value>& value : *list) { |
20 std::string dismissed_id; | 20 std::string dismissed_id; |
21 bool success = value.GetAsString(&dismissed_id); | 21 bool success = value->GetAsString(&dismissed_id); |
22 DCHECK(success) << "Failed to parse dismissed id from prefs param " | 22 DCHECK(success) << "Failed to parse dismissed id from prefs param " |
23 << pref_name << " into string."; | 23 << pref_name << " into string."; |
24 dismissed_ids.insert(dismissed_id); | 24 dismissed_ids.insert(dismissed_id); |
25 } | 25 } |
26 return dismissed_ids; | 26 return dismissed_ids; |
27 } | 27 } |
28 | 28 |
29 void StoreDismissedIDsToPrefs(PrefService* pref_service, | 29 void StoreDismissedIDsToPrefs(PrefService* pref_service, |
30 const std::string& pref_name, | 30 const std::string& pref_name, |
31 const std::set<std::string>& dismissed_ids) { | 31 const std::set<std::string>& dismissed_ids) { |
32 base::ListValue list; | 32 base::ListValue list; |
33 for (const std::string& dismissed_id : dismissed_ids) { | 33 for (const std::string& dismissed_id : dismissed_ids) { |
34 list.AppendString(dismissed_id); | 34 list.AppendString(dismissed_id); |
35 } | 35 } |
36 pref_service->Set(pref_name, list); | 36 pref_service->Set(pref_name, list); |
37 } | 37 } |
38 | 38 |
39 } // namespace prefs | 39 } // namespace prefs |
40 } // namespace ntp_snippets | 40 } // namespace ntp_snippets |
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