ChromeOS: implement per-user time zone preferences.

chrome/browser/chromeos/extensions/info_private_api.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/browser/chromeos/extensions/info_private_api.h"
 
 #include <stddef.h>
 
 #include <utility>
 
@@ skipping 308 matching lines @@
       default:
         return base::MakeUnique<base::Value>(kDeviceTypeChromedevice);
     }
   }
 
   if (property_name == kPropertyClientId) {
     return base::MakeUnique<base::Value>(GetClientId());
   }
 
   if (property_name == kPropertyTimezone) {
+    if (chromeos::system::PerUserTimezoneEnabled()) {
+      return base::WrapUnique<base::Value>(
+          Profile::FromBrowserContext(context_)
+              ->GetPrefs()
+              ->GetUserPrefValue(prefs::kUserTimezone)
+              ->DeepCopy());
+    }
     // TODO(crbug.com/697817): Convert CrosSettings::Get to take a unique_ptr.
     return base::WrapUnique<base::Value>(
         chromeos::CrosSettings::Get()
             ->GetPref(chromeos::kSystemTimezone)
             ->DeepCopy());
   }
 
   if (property_name == kPropertySupportedTimezones) {
     std::unique_ptr<base::ListValue> values =
         chromeos::system::GetTimezoneList();
@@ skipping 17 matching lines @@
 
 ChromeosInfoPrivateSetFunction::~ChromeosInfoPrivateSetFunction() {
 }
 
 ExtensionFunction::ResponseAction ChromeosInfoPrivateSetFunction::Run() {
   std::string param_name;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &param_name));
   if (param_name == kPropertyTimezone) {
     std::string param_value;
     EXTENSION_FUNCTION_VALIDATE(args_->GetString(1, &param_value));
-    chromeos::CrosSettings::Get()->Set(chromeos::kSystemTimezone,
-                                       base::Value(param_value));
+    if (chromeos::system::PerUserTimezoneEnabled()) {
+      Profile::FromBrowserContext(context_)->GetPrefs()->SetString(
+          prefs::kUserTimezone, param_value);
+    } else {
+      chromeos::CrosSettings::Get()->Set(chromeos::kSystemTimezone,
+                                         base::Value(param_value));
+    }
   } else {
     const char* pref_name = GetBoolPrefNameForApiProperty(param_name.c_str());
     if (pref_name) {
       bool param_value;
       EXTENSION_FUNCTION_VALIDATE(args_->GetBoolean(1, &param_value));
       Profile::FromBrowserContext(context_)->GetPrefs()->SetBoolean(
           pref_name,
           param_value);
     } else {
       return RespondNow(Error(kPropertyNotFound, param_name));
     }
   }
 
   return RespondNow(NoArguments());
 }
 
 }  // namespace extensions