ChromeOS: implement per-user time zone preferences.

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/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/features.h"
 #include "chrome/common/pref_font_webkit_names.h"
@@ skipping 526 matching lines @@
 
 // A integer pref for the touchpad sensitivity.
 const char kMouseSensitivity[] = "settings.mouse.sensitivity2";
 
 // A integer pref for the touchpad sensitivity.
 const char kTouchpadSensitivity[] = "settings.touchpad.sensitivity2";
 
 // A boolean pref set to true if time should be displayed in 24-hour clock.
 const char kUse24HourClock[] = "settings.clock.use_24hour_clock";
 
+// A string pref containing Timezone ID for this user.
+const char kUserTimezone[] = "settings.timezone";
+
 // This setting disables manual timezone selection and starts periodic timezone
 // refresh.
 const char kResolveTimezoneByGeolocation[] =
     "settings.resolve_timezone_by_geolocation";
 
 // A string pref set to the current input method.
 const char kLanguageCurrentInputMethod[] =
     "settings.language.current_input_method";
 
 // A string pref set to the previous input method.
@@ skipping 1470 matching lines @@
 // Defaults to false.
 const char kTabStripStackedLayout[] = "tab-strip-stacked-layout";
 
 // Indicates that factory reset was requested from options page or reset screen.
 const char kFactoryResetRequested[] = "FactoryResetRequested";
 
 // Indicates that debugging features were requested from oobe screen.
 const char kDebuggingFeaturesRequested[] = "DebuggingFeaturesRequested";
 
 #if defined(OS_CHROMEOS)
+// This setting controls initial device timezone that is used before user
+// session started. It is controlled by device owner.
+const char kSigninScreenTimezone[] = "settings.signin_screen_timezone";
+
 // This setting starts periodic timezone refresh when not in user session.
 // (user session is controlled by user profile preference
 // kResolveTimezoneByGeolocation
 const char kResolveDeviceTimezoneByGeolocation[] =
     "settings.resolve_device_timezone_by_geolocation";
 
 // This is policy-controlled preference.
 // It has values defined in policy enum
 // SystemTimezoneAutomaticDetectionProto_AutomaticTimezoneDetectionType;
 const char kSystemTimezoneAutomaticDetectionPolicy[] =
@@ skipping 535 matching lines @@
 // Accumulated counters of days with specified Chrome usage. When there is
 // likely a network connection, these counters are reported via UMA and reset.
 const char kOfflineUsageUnusedCount[] = "offline_pages.unused_count";
 const char kOfflineUsageStartedCount[] = "offline_pages.started_count";
 const char kOfflineUsageOfflineCount[] = "offline_pages.offline_count";
 const char kOfflineUsageOnlineCount[] = "offline_pages.online_count";
 const char kOfflineUsageMixedCount[] = "offline_pages.mixed_count";
 #endif
 
 }  // namespace prefs