Get rid of single process code path in json_asynchronous_unpacker.cc.

chrome/common/web_resource/web_resource_unpacker.h

-// Copyright (c) 2011 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.
-
-// This class is called by the WebResourceService in a sandboxed process
-// to unpack data retrieved from a web resource feed.  Right now, it
-// takes a string of data in JSON format, parses it, and hands it back
-// to the WebResourceService as a list of items.  In the future
-// it will be set up to unpack and verify image data in addition to
-// just parsing a JSON feed.
-
-#ifndef CHROME_COMMON_WEB_RESOURCE_WEB_RESOURCE_UNPACKER_H_
-#define CHROME_COMMON_WEB_RESOURCE_WEB_RESOURCE_UNPACKER_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-
-namespace base {
-class DictionaryValue;
-}
-
-class WebResourceUnpacker {
- public:
-  static const char* kInvalidDataTypeError;
-  static const char* kUnexpectedJSONFormatError;
-
-  explicit WebResourceUnpacker(const std::string &resource_data);
-  ~WebResourceUnpacker();
-
-  // This does the actual parsing.  In case of an error, error_message_
-  // is set to an appropriate value.
-  bool Run();
-
-  // Returns the last error message set by Run().
-  const std::string& error_message() { return error_message_; }
-
-  // Gets data which has been parsed by Run().
-  base::DictionaryValue* parsed_json() {
-    return parsed_json_.get();
-  }
-
- private:
-  // Holds the string which is to be parsed.
-  std::string resource_data_;
-
-  // Holds the result of JSON parsing of resource_data_.
-  scoped_ptr<base::DictionaryValue> parsed_json_;
-
-  // Holds the last error message produced by Run().
-  std::string error_message_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebResourceUnpacker);
-};
-
-#endif  // CHROME_COMMON_WEB_RESOURCE_WEB_RESOURCE_UNPACKER_H_