Creating protobuf for reading list sync

components/sync/syncable/model_type.cc

Index: components/sync/syncable/model_type.cc
diff --git a/components/sync/syncable/model_type.cc b/components/sync/syncable/model_type.cc
index 15f7bd9fd79ccc90592a91fd9c94c224e26428b3..6443ce18b9cec90eda091542f0dcf2f561009f01 100644
--- a/components/sync/syncable/model_type.cc
+++ b/components/sync/syncable/model_type.cc
@@ -19,6 +19,7 @@
 #include "components/sync/protocol/nigori_specifics.pb.h"
 #include "components/sync/protocol/password_specifics.pb.h"
 #include "components/sync/protocol/preference_specifics.pb.h"
+#include "components/sync/protocol/reading_list_specifics.pb.h"
 #include "components/sync/protocol/search_engine_specifics.pb.h"
 #include "components/sync/protocol/session_specifics.pb.h"
 #include "components/sync/protocol/sync.pb.h"
@@ -135,6 +136,8 @@ const ModelTypeInfo kModelTypeInfoMap[] = {
      sync_pb::EntitySpecifics::kArcPackageFieldNumber, 36},
     {PRINTERS, "PRINTER", "printers", "Printers",
      sync_pb::EntitySpecifics::kPrinterFieldNumber, 37},
+    {READING_LIST, "READING_LIST", "reading_list", "Reading List",
+     sync_pb::EntitySpecifics::kReadingListFieldNumber, 38},
     {PROXY_TABS, "", "", "Tabs", -1, 25},
     {NIGORI, "NIGORI", "nigori", "Encryption keys",
      sync_pb::EntitySpecifics::kNigoriFieldNumber, 17},
@@ -156,7 +159,7 @@ const char* kUserSelectableDataTypeNames[] = {
 };
 
 static_assert(
-    38 == MODEL_TYPE_COUNT,
+    39 == MODEL_TYPE_COUNT,
     "update kUserSelectableDataTypeName to match UserSelectableTypes");
 
 void AddDefaultFieldValue(ModelType datatype,
@@ -271,6 +274,9 @@ void AddDefaultFieldValue(ModelType datatype,
     case WIFI_CREDENTIALS:
       specifics->mutable_wifi_credential();
       break;
+    case READING_LIST:
+      specifics->mutable_reading_list();
+      break;
     default:
       NOTREACHED() << "No known extension for model type.";
   }
@@ -387,6 +393,9 @@ ModelType GetModelTypeFromSpecifics(const sync_pb::EntitySpecifics& specifics) {
   if (specifics.has_app_notification())
     return APP_NOTIFICATIONS;
 
+  if (specifics.has_reading_list())
+    return READING_LIST;
+
   if (specifics.has_history_delete_directive())
     return HISTORY_DELETE_DIRECTIVES;