Moved ExternalExtensionLoaders/Providers into extensions namespace

chrome/browser/extensions/external_pref_extension_loader.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_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_LOADER_H_
-#define CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_LOADER_H_
-#pragma once
-
-#include "chrome/browser/extensions/external_extension_loader.h"
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/values.h"
-
-// A specialization of the ExternalExtensionLoader that uses a json file to
-// look up which external extensions are registered.
-// Instances of this class are expected to be created and destroyed on the UI
-// thread and they are expecting public method calls from the UI thread.
-class ExternalPrefExtensionLoader : public ExternalExtensionLoader {
- public:
-  enum Options {
-    NONE = 0,
-
-    // Ensure that only root can force an external install by checking
-    // that all components of the path to external extensions files are
-    // owned by root and not writable by any non-root user.
-    ENSURE_PATH_CONTROLLED_BY_ADMIN = 1 << 0
-  };
-
-  // |base_path_id| is the directory containing the external_extensions.json
-  // file or the standalone extension manifest files. Relative file paths to
-  // extension files are resolved relative to this path.
-  explicit ExternalPrefExtensionLoader(int base_path_id, Options options);
-
-  virtual const FilePath GetBaseCrxFilePath() OVERRIDE;
-
- protected:
-  virtual void StartLoading() OVERRIDE;
-  bool IsOptionSet(Options option) {
-    return (options_ & option) != 0;
-  }
-
- private:
-  friend class base::RefCountedThreadSafe<ExternalExtensionLoader>;
-
-  virtual ~ExternalPrefExtensionLoader() {}
-
-  // Actually searches for and loads candidate standalone extension preference
-  // files in the path corresponding to |base_path_id|.
-  // Must be called on the file thread.
-  void LoadOnFileThread();
-
-  // Extracts the information contained in an external_extension.json file
-  // regarding which extensions to install. |prefs| will be modified to
-  // receive the extracted extension information.
-  // Must be called from the File thread.
-  void ReadExternalExtensionPrefFile(DictionaryValue * prefs);
-
-  // Extracts the information contained in standalone external extension
-  // json files (<extension id>.json) regarding what external extensions
-  // to install. |prefs| will be modified to receive the extracted extension
-  // information.
-  // Must be called from the File thread.
-  void ReadStandaloneExtensionPrefFiles(DictionaryValue * prefs);
-
-  // The resource id of the base path with the information about the json
-  // file containing which extensions to load.
-  int base_path_id_;
-
-  Options options_;
-
-  // The path (coresponding to |base_path_id_| containing the json files
-  // describing which extensions to load.
-  FilePath base_path_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExternalPrefExtensionLoader);
-};
-
-// A simplified version of ExternalPrefExtensionLoader that loads the dictionary
-// from json data specified in a string.
-class ExternalTestingExtensionLoader : public ExternalExtensionLoader {
- public:
-  ExternalTestingExtensionLoader(
-      const std::string& json_data,
-      const FilePath& fake_base_path);
-
-  virtual const FilePath GetBaseCrxFilePath() OVERRIDE;
-
- protected:
-  virtual void StartLoading() OVERRIDE;
-
- private:
-  friend class base::RefCountedThreadSafe<ExternalExtensionLoader>;
-
-  virtual ~ExternalTestingExtensionLoader();
-
-  FilePath fake_base_path_;
-  scoped_ptr<DictionaryValue> testing_prefs_;
-
-  DISALLOW_COPY_AND_ASSIGN(ExternalTestingExtensionLoader);
-};
-
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTERNAL_PREF_EXTENSION_LOADER_H_