Move remaining clear browsing data util method to components

components/browsing_data/core/browsing_data_utils.h

 // 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.
 
 #ifndef COMPONENTS_BROWSING_DATA_CORE_BROWSING_DATA_UTILS_H_
 #define COMPONENTS_BROWSING_DATA_CORE_BROWSING_DATA_UTILS_H_
 
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "components/browsing_data/core/counters/browsing_data_counter.h"
@@ skipping 31 matching lines @@
 
 // Calculate the begin time for the deletion range specified by |time_period|.
 base::Time CalculateBeginDeleteTime(TimePeriod time_period);
 
 // Constructs the text to be displayed by a counter from the given |result|.
 // Currently this can only be used for counters for which the Result is defined
 // in components/browsing_data/core/counters.
 base::string16 GetCounterTextFromResult(
     const browsing_data::BrowsingDataCounter::Result* result);
 
+// Copies the name of the deletion preference corresponding to the given
+// |data_type| to |out_pref|. Returns false if no such preference exists.
+bool GetDeletionPreferenceFromDataType(
+    BrowsingDataType data_type,
+    std::string* out_pref);
+
 }  // namespace browsing_data
 
 #endif  // COMPONENTS_BROWSING_DATA_CORE_BROWSING_DATA_UTILS_H_