Prepare ClearBrowsingDataDialogFragment for browsing data counters.

chrome/browser/browsing_data/browsing_data_counter_utils.cc

Index: chrome/browser/browsing_data/browsing_data_counter_utils.cc
diff --git a/chrome/browser/browsing_data/browsing_data_counter_utils.cc b/chrome/browser/browsing_data/browsing_data_counter_utils.cc
index 21a328a05e1ac805a6733cdf275def2badff22fe..5acb28e16ebb59fce659431bba0a282e3e90e2ff 100644
--- a/chrome/browser/browsing_data/browsing_data_counter_utils.cc
+++ b/chrome/browser/browsing_data/browsing_data_counter_utils.cc
@@ -168,6 +168,37 @@ base::string16 GetCounterTextFromResult(
   return text;
 }
 
+bool GetDeletionPreferenceFromDataType(
+    BrowsingDataType data_type, std::string* out_pref) {
+  switch (data_type) {
+    case HISTORY:
+      *out_pref = prefs::kDeleteBrowsingHistory;
+      return true;
+    case CACHE:
+      *out_pref = prefs::kDeleteCache;
+      return true;
+    case COOKIES:
+      *out_pref = prefs::kDeleteCookies;
+      return true;
+    case PASSWORDS:
+      *out_pref = prefs::kDeletePasswords;
+      return true;
+    case FORM_DATA:
+      *out_pref = prefs::kDeleteFormData;
+      return true;
+    case BOOKMARKS:
+      // Bookmarks are deleted on the Android side. No corresponding deletion
+      // preference.
+      return false;
+    case NUM_TYPES:
+      // This is not an actual type.
+      NOTREACHED();
+      return false;
+  }
+  NOTREACHED();
+  return false;
+}
+
 BrowsingDataCounter* CreateCounterForPreference(std::string pref_name) {
   if (!AreCountersEnabled())
     return nullptr;