Reduce the memory usage of bookmarks storage

components/bookmarks/browser/bookmark_storage.cc

Index: components/bookmarks/browser/bookmark_storage.cc
diff --git a/components/bookmarks/browser/bookmark_storage.cc b/components/bookmarks/browser/bookmark_storage.cc
index d32a90c88061a8b082c770da656f63da4bdfc0a2..e72bd1e06b0ba6d3538a60e722b507cc086dd000 100644
--- a/components/bookmarks/browser/bookmark_storage.cc
+++ b/components/bookmarks/browser/bookmark_storage.cc
@@ -53,6 +53,7 @@ void AddBookmarksToIndex(BookmarkLoadDetails* details,
 
 void LoadCallback(const base::FilePath& path,
                   const base::WeakPtr<BookmarkStorage>& storage,
+                  const std::vector<std::string>& excluded_meta_keys,
                   std::unique_ptr<BookmarkLoadDetails> details,
                   base::SequencedTaskRunner* task_runner) {
   bool load_index = false;
@@ -69,6 +70,8 @@ void LoadCallback(const base::FilePath& path,
       // thread.
       int64_t max_node_id = 0;
       BookmarkCodec codec;
+      codec.set_excluded_meta_info_keys(excluded_meta_keys);
+
       TimeTicks start_time = TimeTicks::Now();
       codec.Decode(details->bb_node(), details->other_folder_node(),
                    details->mobile_folder_node(), &max_node_id, *root.get());
@@ -169,7 +172,8 @@ void BookmarkStorage::LoadBookmarks(
   sequenced_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&LoadCallback, writer_.path(), weak_factory_.GetWeakPtr(),
-                 base::Passed(&details), base::RetainedRef(task_runner)));
+                 model_->client()->ExecludedMetaKeys(), base::Passed(&details),
+                 base::RetainedRef(task_runner)));
 }
 
 void BookmarkStorage::ScheduleSave() {