Add a SafeSearch preference, policy and implementation.

chrome/common/pref_names.cc

 // 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.
 
 #include "chrome/common/pref_names.h"
 
 #include "base/basictypes.h"
 
 namespace prefs {
 
@@ skipping 818 matching lines @@
     "browser.speechinput_censor_results";
 
 // List of speech recognition context names (extensions or websites) for which
 // the tray notification balloon has already been shown.
 const char kSpeechRecognitionTrayNotificationShownContexts[] =
     "browser.speechinput_tray_notification_shown_contexts";
 
 // Boolean controlling whether history saving is disabled.
 const char kSavingBrowserHistoryDisabled[] = "history.saving_disabled";
 
+// Boolean controlling whether SafeSearch is forced on users.
+const char kSafeSearchEnabled[] = "settings.safesearch";
+
 #if defined(TOOLKIT_GTK)
 // GTK specific preference on whether we should match the system GTK theme.
 const char kUsesSystemTheme[] = "extensions.theme.use_system";
 #endif
 const char kCurrentThemePackFilename[] = "extensions.theme.pack";
 const char kCurrentThemeID[] = "extensions.theme.id";
 const char kCurrentThemeImages[] = "extensions.theme.images";
 const char kCurrentThemeColors[] = "extensions.theme.colors";
 const char kCurrentThemeTints[] = "extensions.theme.tints";
 const char kCurrentThemeDisplayProperties[] = "extensions.theme.properties";
@@ skipping 1239 matching lines @@
 // Tracks the time of the last shown warning. Used to reset
 // |network_profile.warnings_left| after a silence period.
 const char kNetworkProfileLastWarningTime[] =
     "network_profile.last_warning_time";
 
 // 64-bit serialization of the time last policy usage statistics were collected
 // by UMA_HISTOGRAM_ENUMERATION.
 const char kLastPolicyStatisticsUpdate[] = "policy.last_statistics_update";
 
 }  // namespace prefs