[Sync] Add history delete directive type

sync/protocol/proto_value_conversions.cc

Index: sync/protocol/proto_value_conversions.cc
diff --git a/sync/protocol/proto_value_conversions.cc b/sync/protocol/proto_value_conversions.cc
index cee21396559d653cb25c72c3cc0919ef8bf56c96..76a0e9c8a5a768a53b13a9fff03bd5fec5ef6cdb 100644
--- a/sync/protocol/proto_value_conversions.cc
+++ b/sync/protocol/proto_value_conversions.cc
@@ -19,6 +19,7 @@
 #include "sync/protocol/encryption.pb.h"
 #include "sync/protocol/extension_setting_specifics.pb.h"
 #include "sync/protocol/extension_specifics.pb.h"
+#include "sync/protocol/history_delete_directive_specifics.pb.h"
 #include "sync/protocol/nigori_specifics.pb.h"
 #include "sync/protocol/password_specifics.pb.h"
 #include "sync/protocol/preference_specifics.pb.h"
@@ -290,6 +291,17 @@ DictionaryValue* ExtensionSpecificsToValue(
   return value;
 }
 
+base::DictionaryValue* HistoryDeleteDirectiveSpecificsToValue(
+    const sync_pb::HistoryDeleteDirectiveSpecifics& proto) {
+  DictionaryValue* value = new DictionaryValue();
+  SET_STR(url);
+  SET_STR(client_id);
+  SET_INT64(creation_time);
+  SET_INT64(start_time);
+  SET_INT64(end_time);
+  return value;
+}
+
 DictionaryValue* NigoriSpecificsToValue(
     const sync_pb::NigoriSpecifics& proto) {
   DictionaryValue* value = new DictionaryValue();
@@ -392,6 +404,7 @@ DictionaryValue* EntitySpecificsToValue(
   SET_FIELD(bookmark, BookmarkSpecificsToValue);
   SET_FIELD(extension, ExtensionSpecificsToValue);
   SET_FIELD(extension_setting, ExtensionSettingSpecificsToValue);
+  SET_FIELD(history_delete_directive, HistoryDeleteDirectiveSpecificsToValue);
   SET_FIELD(nigori, NigoriSpecificsToValue);
   SET_FIELD(password, PasswordSpecificsToValue);
   SET_FIELD(preference, PreferenceSpecificsToValue);