Split ValueSerializer into separate Serializer and Deserializer classes.

components/bookmarks/browser/bookmark_storage.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/bookmarks/browser/bookmark_storage.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_util.h"
 #include "base/json/json_file_value_serializer.h"
@@ skipping 38 matching lines @@
 
 void LoadCallback(const base::FilePath& path,
                   const base::WeakPtr<BookmarkStorage>& storage,
                   scoped_ptr<BookmarkLoadDetails> details,
                   base::SequencedTaskRunner* task_runner) {
   startup_metric_utils::ScopedSlowStartupUMA
       scoped_timer("Startup.SlowStartupBookmarksLoad");
   bool load_index = false;
   bool bookmark_file_exists = base::PathExists(path);
   if (bookmark_file_exists) {
-    JSONFileValueSerializer serializer(path);
-    scoped_ptr<base::Value> root(serializer.Deserialize(NULL, NULL));
+    JSONFileValueDeserializer deserializer(path);
+    scoped_ptr<base::Value> root(deserializer.Deserialize(NULL, NULL));
 
     if (root.get()) {
       // Building the index can take a while, so we do it on the background
       // thread.
       int64 max_node_id = 0;
       BookmarkCodec codec;
       TimeTicks start_time = TimeTicks::Now();
       codec.Decode(details->bb_node(), details->other_folder_node(),
                    details->mobile_folder_node(), &max_node_id, *root.get());
       details->set_max_id(std::max(max_node_id, details->max_id()));
@@ skipping 135 matching lines @@
   }
 
   std::string data;
   if (!SerializeData(&data))
     return false;
   writer_.WriteNow(data);
   return true;
 }
 
 }  // namespace bookmarks