Index: components/test_runner/tracked_dictionary.cc |
diff --git a/components/test_runner/tracked_dictionary.cc b/components/test_runner/tracked_dictionary.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..51e7e5a354b86ee9690b030b78df758b2ac49283 |
--- /dev/null |
+++ b/components/test_runner/tracked_dictionary.cc |
@@ -0,0 +1,44 @@ |
+// 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 "components/test_runner/tracked_dictionary.h" |
+ |
+#include <memory> |
dcheng
2016/03/08 23:09:37
Nit: utility (memory is for unique_ptr, which isn'
Łukasz Anforowicz
2016/03/10 22:24:21
Done. Thanks for pointing this out.
|
+ |
+namespace test_runner { |
+ |
+TrackedDictionary::TrackedDictionary() {} |
+ |
+void TrackedDictionary::ResetChangeTracking() { |
+ changed_values_.Clear(); |
+} |
+ |
+void TrackedDictionary::ApplyUntrackedChanges( |
+ const base::DictionaryValue& new_changes) { |
+ current_values_.MergeDictionary(&new_changes); |
+ |
+ for (base::DictionaryValue::Iterator it(new_changes); !it.IsAtEnd(); |
+ it.Advance()) { |
+ changed_values_.Remove(it.key(), nullptr); |
+ } |
+} |
+ |
+void TrackedDictionary::Set(const std::string& path, |
+ scoped_ptr<base::Value> new_value) { |
+ // Is this truly a *new* value? |
+ const base::Value* old_value; |
+ if (current_values_.Get(path, &old_value)) { |
+ if (base::Value::Equals(old_value, new_value.get())) |
+ return; |
+ } |
+ |
+ changed_values_.Set(path, new_value->CreateDeepCopy()); |
+ current_values_.Set(path, std::move(new_value)); |
+} |
+ |
+void TrackedDictionary::SetBoolean(const std::string& path, bool new_value) { |
+ Set(path, make_scoped_ptr(new base::FundamentalValue(new_value))); |
+} |
+ |
+} // namespace test_runner |