Split ValueSerializer into separate Serializer and Deserializer classes.

components/update_client/component_patcher.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/update_client/component_patcher.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 12 matching lines @@
 namespace {
 
 // Deserialize the commands file (present in delta update packages). The top
 // level must be a list.
 base::ListValue* ReadCommands(const base::FilePath& unpack_path) {
   const base::FilePath commands =
       unpack_path.Append(FILE_PATH_LITERAL("commands.json"));
   if (!base::PathExists(commands))
     return NULL;
 
-  JSONFileValueSerializer serializer(commands);
-  scoped_ptr<base::Value> root(serializer.Deserialize(NULL, NULL));
+  JSONFileValueDeserializer deserializer(commands);
+  scoped_ptr<base::Value> root(deserializer.Deserialize(NULL, NULL));
 
   return (root.get() && root->IsType(base::Value::TYPE_LIST))
              ? static_cast<base::ListValue*>(root.release())
              : NULL;
 }
 
 }  // namespace
 
 ComponentPatcher::ComponentPatcher(
     const base::FilePath& input_dir,
@@ skipping 68 matching lines @@
 
 void ComponentPatcher::DonePatching(ComponentUnpacker::Error error,
                                     int extended_error) {
   current_operation_ = NULL;
   task_runner_->PostTask(FROM_HERE,
                          base::Bind(callback_, error, extended_error));
   callback_.Reset();
 }
 
 }  // namespace update_client