Move default_locale out of Extension class

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/memory/scoped_ptr.h"
+#include "base/string_util.h"
+#include "base/utf_string_conversions.h"
+#include "base/values.h"
+#include "chrome/common/extensions/extension_manifest_constants.h"
+#include "ui/base/l10n/l10n_util.h"
+
+namespace keys = extension_manifest_keys;
+
+namespace extensions {
+
+// static
+const std::string& LocaleInfo::GetDefaultLocale(const Extension* extension) {
+  LocaleInfo* info = static_cast<LocaleInfo*>(
+      extension->GetManifestData(keys::kDefaultLocale));
+  return info ? info->default_locale_ : EmptyString();
+}
+
+DefaultLocaleHandler::DefaultLocaleHandler() {
+}
+
+DefaultLocaleHandler::~DefaultLocaleHandler() {
+}
+
+bool DefaultLocaleHandler::Parse(const base::Value* value,
+                                 Extension* extension,
+                                 string16* error) {
+  scoped_ptr<LocaleInfo> info(new LocaleInfo);
+  if (!value->GetAsString(&info->default_locale_) ||
+      !l10n_util::IsValidLocaleSyntax(info->default_locale_)) {
+    *error = ASCIIToUTF16(extension_manifest_errors::kInvalidDefaultLocale);
+    return false;
+  }
+  extension->SetManifestData(keys::kDefaultLocale, info.release());
+  return true;
+}
+
+}  // namespace extensions