Break two classes defined in json_value_serializer.cc, .h into separate files.

base/json/json_file_value_serializer.cc

Index: base/json/json_file_value_serializer.cc
===================================================================
--- base/json/json_file_value_serializer.cc	(revision 123670)
+++ base/json/json_file_value_serializer.cc	(working copy)
@@ -1,56 +1,18 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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 "base/json/json_value_serializer.h"
+#include "base/json/json_file_value_serializer.h"
 
 #include "base/file_util.h"
-#include "base/json/json_reader.h"
-#include "base/json/json_writer.h"
-#include "base/string_util.h"
+#include "base/json/json_string_value_serializer.h"
+#include "base/logging.h"
 
 const char* JSONFileValueSerializer::kAccessDenied = "Access denied.";
 const char* JSONFileValueSerializer::kCannotReadFile = "Can't read file.";
 const char* JSONFileValueSerializer::kFileLocked = "File locked.";
 const char* JSONFileValueSerializer::kNoSuchFile = "File doesn't exist.";
 
-JSONStringValueSerializer::~JSONStringValueSerializer() {}
-
-bool JSONStringValueSerializer::Serialize(const Value& root) {
-  return SerializeInternal(root, false);
-}
-
-bool JSONStringValueSerializer::SerializeAndOmitBinaryValues(
-    const Value& root) {
-  return SerializeInternal(root, true);
-}
-
-bool JSONStringValueSerializer::SerializeInternal(const Value& root,
-                                                  bool omit_binary_values) {
-  if (!json_string_ || initialized_with_const_string_)
-    return false;
-
-  base::JSONWriter::WriteWithOptions(
-      &root,
-      pretty_print_,
-      omit_binary_values ? base::JSONWriter::OPTIONS_OMIT_BINARY_VALUES : 0,
-      json_string_);
-  return true;
-}
-
-Value* JSONStringValueSerializer::Deserialize(int* error_code,
-                                              std::string* error_str) {
-  if (!json_string_)
-    return NULL;
-
-  return base::JSONReader::ReadAndReturnError(*json_string_,
-                                              allow_trailing_comma_,
-                                              error_code,
-                                              error_str);
-}
-
-/******* File Serializer *******/
-
 bool JSONFileValueSerializer::Serialize(const Value& root) {
   return SerializeInternal(root, false);
 }