[Sync] Fix missing titles in chrome:://sync-internals

Node titles are not being shown in Sync Node Browser due to an issue
with EntityData field renaming, under the CL in [1]. This CL fixes this
issue.

[1] https://chromium-review.googlesource.com/c/chromium/src/+/1648168

Bug: 984956
Change-Id: I9b54517cf6d6b1070e98777581db3ab7f7f8100d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1706520
Commit-Queue: Pauline Leitao <psivieroleitao@google.com>
Reviewed-by: Mohamed Amir Yosef <mamir@chromium.org>
Cr-Commit-Position: refs/heads/master@{#681833}

components/sync/model/entity_data.cc

@@ -84,6 +84,9 @@ std::unique_ptr<base::DictionaryValue> EntityData::ToDictionaryValue() {
   ADD_TO_DICT(dict, originator_cache_guid);
   ADD_TO_DICT(dict, originator_client_item_id);
   ADD_TO_DICT(dict, server_defined_unique_tag);
+  // The string "NON_UNIQUE_NAME" is used in sync-internals to identify the node
+  // title.
+  dict->SetString("NON_UNIQUE_NAME", name);
   ADD_TO_DICT(dict, name);
   ADD_TO_DICT(dict, parent_id);
   ADD_TO_DICT_WITH_TRANSFORM(dict, ctime, GetTimeDebugString);