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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "components/test_runner/tracked_dictionary.h" | |
6 | |
7 #include <utility> | |
8 | |
9 #include "base/memory/ptr_util.h" | |
10 | |
11 namespace test_runner { | |
12 | |
13 TrackedDictionary::TrackedDictionary() {} | |
14 | |
15 void TrackedDictionary::ResetChangeTracking() { | |
16 changed_values_.Clear(); | |
17 } | |
18 | |
19 void TrackedDictionary::ApplyUntrackedChanges( | |
20 const base::DictionaryValue& new_changes) { | |
21 current_values_.MergeDictionary(&new_changes); | |
22 | |
23 for (base::DictionaryValue::Iterator it(new_changes); !it.IsAtEnd(); | |
24 it.Advance()) { | |
25 changed_values_.Remove(it.key(), nullptr); | |
26 } | |
27 } | |
28 | |
29 void TrackedDictionary::Set(const std::string& path, | |
30 std::unique_ptr<base::Value> new_value) { | |
31 // Is this truly a *new* value? | |
32 const base::Value* old_value; | |
33 if (current_values_.Get(path, &old_value)) { | |
34 if (base::Value::Equals(old_value, new_value.get())) | |
35 return; | |
36 } | |
37 | |
38 changed_values_.Set(path, new_value->CreateDeepCopy()); | |
39 current_values_.Set(path, std::move(new_value)); | |
40 } | |
41 | |
42 void TrackedDictionary::SetBoolean(const std::string& path, bool new_value) { | |
43 Set(path, base::MakeUnique<base::FundamentalValue>(new_value)); | |
44 } | |
45 | |
46 void TrackedDictionary::SetString(const std::string& path, | |
47 const std::string& new_value) { | |
48 Set(path, base::MakeUnique<base::StringValue>(new_value)); | |
49 } | |
50 | |
51 } // namespace test_runner | |
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