Split ValueSerializer into separate Serializer and Deserializer classes.

extensions/common/file_util.cc

 // Copyright 2013 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 "extensions/common/file_util.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 150 matching lines @@
 base::DictionaryValue* LoadManifest(
     const base::FilePath& extension_path,
     const base::FilePath::CharType* manifest_filename,
     std::string* error) {
   base::FilePath manifest_path = extension_path.Append(manifest_filename);
   if (!base::PathExists(manifest_path)) {
     *error = l10n_util::GetStringUTF8(IDS_EXTENSION_MANIFEST_UNREADABLE);
     return NULL;
   }
 
-  JSONFileValueSerializer serializer(manifest_path);
-  scoped_ptr<base::Value> root(serializer.Deserialize(NULL, error));
+  JSONFileValueDeserializer deserializer(manifest_path);
+  scoped_ptr<base::Value> root(deserializer.Deserialize(NULL, error));
   if (!root.get()) {
     if (error->empty()) {
       // If |error| is empty, than the file could not be read.
       // It would be cleaner to have the JSON reader give a specific error
       // in this case, but other code tests for a file error with
       // error->empty().  For now, be consistent.
       *error = l10n_util::GetStringUTF8(IDS_EXTENSION_MANIFEST_UNREADABLE);
     } else {
       *error = base::StringPrintf(
           "%s  %s", manifest_errors::kManifestParseError, error->c_str());
@@ skipping 264 matching lines @@
 base::FilePath GetVerifiedContentsPath(const base::FilePath& extension_path) {
   return extension_path.Append(kMetadataFolder)
       .Append(kVerifiedContentsFilename);
 }
 base::FilePath GetComputedHashesPath(const base::FilePath& extension_path) {
   return extension_path.Append(kMetadataFolder).Append(kComputedHashesFilename);
 }
 
 }  // namespace file_util
 }  // namespace extensions