Move default_locale manifest handler out of //chrome

chrome/common/extensions/api/i18n/default_locale_handler.cc

-// Copyright (c) 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 "chrome/common/extensions/api/i18n/default_locale_handler.h"
-
-#include "base/files/file_enumerator.h"
-#include "base/files/file_util.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/strings/string_util.h"
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/values.h"
-#include "extensions/common/constants.h"
-#include "extensions/common/extension_l10n_util.h"
-#include "extensions/common/manifest.h"
-#include "extensions/common/manifest_constants.h"
-#include "grit/extensions_strings.h"
-#include "ui/base/l10n/l10n_util.h"
-
-namespace extensions {
-
-namespace keys = manifest_keys;
-namespace errors = manifest_errors;
-
-// static
-const std::string& LocaleInfo::GetDefaultLocale(const Extension* extension) {
-  LocaleInfo* info = static_cast<LocaleInfo*>(
-      extension->GetManifestData(keys::kDefaultLocale));
-  return info ? info->default_locale : base::EmptyString();
-}
-
-DefaultLocaleHandler::DefaultLocaleHandler() {
-}
-
-DefaultLocaleHandler::~DefaultLocaleHandler() {
-}
-
-bool DefaultLocaleHandler::Parse(Extension* extension, base::string16* error) {
-  scoped_ptr<LocaleInfo> info(new LocaleInfo);
-  if (!extension->manifest()->GetString(keys::kDefaultLocale,
-                                        &info->default_locale) ||
-      !l10n_util::IsValidLocaleSyntax(info->default_locale)) {
-    *error = base::ASCIIToUTF16(manifest_errors::kInvalidDefaultLocale);
-    return false;
-  }
-  extension->SetManifestData(keys::kDefaultLocale, info.release());
-  return true;
-}
-
-bool DefaultLocaleHandler::Validate(
-    const Extension* extension,
-    std::string* error,
-    std::vector<InstallWarning>* warnings) const {
-  // default_locale and _locales have to be both present or both missing.
-  const base::FilePath path = extension->path().Append(kLocaleFolder);
-  bool path_exists = base::PathExists(path);
-  std::string default_locale =
-      extensions::LocaleInfo::GetDefaultLocale(extension);
-
-  // If both default locale and _locales folder are empty, skip verification.
-  if (default_locale.empty() && !path_exists)
-    return true;
-
-  if (default_locale.empty() && path_exists) {
-    *error = l10n_util::GetStringUTF8(
-        IDS_EXTENSION_LOCALES_NO_DEFAULT_LOCALE_SPECIFIED);
-    return false;
-  } else if (!default_locale.empty() && !path_exists) {
-    *error = errors::kLocalesTreeMissing;
-    return false;
-  }
-
-  // Treat all folders under _locales as valid locales.
-  base::FileEnumerator locales(path, false, base::FileEnumerator::DIRECTORIES);
-
-  std::set<std::string> all_locales;
-  extension_l10n_util::GetAllLocales(&all_locales);
-  const base::FilePath default_locale_path = path.AppendASCII(default_locale);
-  bool has_default_locale_message_file = false;
-
-  base::FilePath locale_path;
-  while (!(locale_path = locales.Next()).empty()) {
-    if (extension_l10n_util::ShouldSkipValidation(path, locale_path,
-                                                  all_locales))
-      continue;
-
-    base::FilePath messages_path = locale_path.Append(kMessagesFilename);
-
-    if (!base::PathExists(messages_path)) {
-      *error = base::StringPrintf(
-          "%s %s", errors::kLocalesMessagesFileMissing,
-          base::UTF16ToUTF8(messages_path.LossyDisplayName()).c_str());
-      return false;
-    }
-
-    if (locale_path == default_locale_path)
-      has_default_locale_message_file = true;
-  }
-
-  // Only message file for default locale has to exist.
-  if (!has_default_locale_message_file) {
-    *error = errors::kLocalesNoDefaultMessages;
-    return false;
-  }
-
-  return true;
-}
-
-bool DefaultLocaleHandler::AlwaysValidateForType(Manifest::Type type) const {
-  // Required to validate _locales directory; see Validate.
-  return true;
-}
-
-const std::vector<std::string> DefaultLocaleHandler::Keys() const {
-  return SingleKey(keys::kDefaultLocale);
-}
-
-}  // namespace extensions