Content settings extension API

chrome/browser/extensions/extension_preference_helpers.cc

+// 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.
+
+#include "chrome/browser/extensions/extension_preference_helpers.h"
+
+namespace {
+
+const char kIncognitoPersistent[] = "incognito_persistent";
+const char kIncognitoSessionOnly[] = "incognito_session_only";
+const char kRegular[] = "regular";
+
+}  // namespace
+
+namespace extension_preference_helpers {
+
+bool StringToScope(const std::string& s, ExtensionPrefsScope* scope) {
+  if (s == kRegular)
+    *scope = kExtensionPrefsScopeRegular;
+  else if (s == kIncognitoPersistent)
+    *scope = kExtensionPrefsScopeIncognitoPersistent;
+  else if (s == kIncognitoSessionOnly)
+    *scope = kExtensionPrefsScopeIncognitoSessionOnly;
+  else
+    return false;
+  return true;
+}
+
+}  // namespace extension_preference_helpers