Index: chrome/browser/prefs/tracked_atomic_preference.cc |
diff --git a/chrome/browser/prefs/tracked_atomic_preference.cc b/chrome/browser/prefs/tracked_atomic_preference.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..079b335ee02d948f49485bee6da1db452bed082c |
--- /dev/null |
+++ b/chrome/browser/prefs/tracked_atomic_preference.cc |
@@ -0,0 +1,45 @@ |
+// Copyright 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 "chrome/browser/prefs/tracked_atomic_preference.h" |
+ |
+#include "base/values.h" |
+ |
+TrackedAtomicPreference::TrackedAtomicPreference( |
+ const std::string& pref_path, |
+ size_t reporting_id, |
+ size_t reporting_ids_count, |
+ EnforcementLevel enforcement_level) |
+ : TrackedPreference(reporting_id, reporting_ids_count, enforcement_level), |
+ pref_path_(pref_path) { |
+} |
+ |
+void TrackedAtomicPreference::StoreHash(const base::Value* value, |
+ PrefHashStore* pref_hash_store) const { |
+ pref_hash_store->StoreHash(pref_path_, value); |
+} |
+ |
+void TrackedAtomicPreference::EnforceAndReport( |
+ PrefHashStore* pref_hash_store, |
+ base::DictionaryValue* pref_store_contents) const { |
+ const base::Value* value = NULL; |
+ pref_store_contents->Get(pref_path_, &value); |
+ PrefHashStore::ValueState value_state = |
+ pref_hash_store->CheckValue(pref_path_, value); |
+ |
+ ReportValidationResult(value_state); |
+ |
+ ResetAction reset_action = GetAction(value_state); |
+ ReportAction(reset_action); |
+ |
+ if (reset_action == DO_RESET) |
+ pref_store_contents->RemovePath(pref_path_, NULL); |
+ |
+ if (value_state != PrefHashStore::UNCHANGED) { |
+ // Store the hash for the new value (whether it was reset or not). |
+ const base::Value* new_value = NULL; |
+ pref_store_contents->Get(pref_path_, &new_value); |
+ pref_hash_store->StoreHash(pref_path_, new_value); |
+ } |
+} |