Move ExtensionUnpacker into extensions:: namespace, rename it to Unpacker

chrome/common/extensions/extension_unpacker.h

-// 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.
-
-#ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_UNPACKER_H_
-#define CHROME_COMMON_EXTENSIONS_EXTENSION_UNPACKER_H_
-
-#include <string>
-#include <vector>
-
-#include "base/file_path.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/tuple.h"
-#include "chrome/common/extensions/extension.h"
-
-class SkBitmap;
-
-namespace base {
-class DictionaryValue;
-}
-
-// This class unpacks an extension.  It is designed to be used in a sandboxed
-// child process.  We unpack and parse various bits of the extension, then
-// report back to the browser process, who then transcodes the pre-parsed bits
-// and writes them back out to disk for later use.
-class ExtensionUnpacker {
- public:
-  typedef std::vector< Tuple2<SkBitmap, FilePath> > DecodedImages;
-
-  ExtensionUnpacker(const FilePath& extension_path,
-                    const std::string& extension_id,
-                    extensions::Extension::Location location,
-                    int creation_flags);
-  ~ExtensionUnpacker();
-
-  // Install the extension file at |extension_path|.  Returns true on success.
-  // Otherwise, error_message will contain a string explaining what went wrong.
-  bool Run();
-
-  // Write the decoded images to kDecodedImagesFilename.  We do this instead
-  // of sending them over IPC, since they are so large.  Returns true on
-  // success.
-  bool DumpImagesToFile();
-
-  // Write the decoded messages to kDecodedMessageCatalogsFilename.  We do this
-  // instead of sending them over IPC, since they are so large.  Returns true on
-  // success.
-  bool DumpMessageCatalogsToFile();
-
-  // Read the decoded images back from the file we saved them to.
-  // |extension_path| is the path to the extension we unpacked that wrote the
-  // data. Returns true on success.
-  static bool ReadImagesFromFile(const FilePath& extension_path,
-                                 DecodedImages* images);
-
-  // Read the decoded message catalogs back from the file we saved them to.
-  // |extension_path| is the path to the extension we unpacked that wrote the
-  // data. Returns true on success.
-  static bool ReadMessageCatalogsFromFile(const FilePath& extension_path,
-                                          base::DictionaryValue* catalogs);
-
-  const string16& error_message() { return error_message_; }
-  base::DictionaryValue* parsed_manifest() {
-    return parsed_manifest_.get();
-  }
-  const DecodedImages& decoded_images() { return decoded_images_; }
-  base::DictionaryValue* parsed_catalogs() { return parsed_catalogs_.get(); }
-
- private:
-  // Parse the manifest.json file inside the extension (not in the header).
-  // Caller takes ownership of return value.
-  base::DictionaryValue* ReadManifest();
-
-  // Parse all _locales/*/messages.json files inside the extension.
-  bool ReadAllMessageCatalogs(const std::string& default_locale);
-
-  // Decodes the image at the given path and puts it in our list of decoded
-  // images.
-  bool AddDecodedImage(const FilePath& path);
-
-  // Parses the catalog at the given path and puts it in our list of parsed
-  // catalogs.
-  bool ReadMessageCatalog(const FilePath& message_path);
-
-  // Set the error message.
-  void SetError(const std::string& error);
-
-  // The extension to unpack.
-  FilePath extension_path_;
-
-  // The extension ID if known.
-  std::string extension_id_;
-
-  // The location to use for the created extension.
-  extensions::Extension::Location location_;
-
-  // The creation flags to use with the created extension.
-  int creation_flags_;
-
-  // The place we unpacked the extension to.
-  FilePath temp_install_dir_;
-
-  // The parsed version of the manifest JSON contained in the extension.
-  scoped_ptr<base::DictionaryValue> parsed_manifest_;
-
-  // A list of decoded images and the paths where those images came from.  Paths
-  // are relative to the manifest file.
-  DecodedImages decoded_images_;
-
-  // Dictionary of relative paths and catalogs per path. Paths are in the form
-  // of _locales/locale, without messages.json base part.
-  scoped_ptr<base::DictionaryValue> parsed_catalogs_;
-
-  // The last error message that was set.  Empty if there were no errors.
-  string16 error_message_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExtensionUnpacker);
-};
-
-#endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_UNPACKER_H_