Added a timezone policy and pyauto tests for it.

chrome/browser/automation/testing_automation_provider_chromeos.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/automation/testing_automation_provider.h"
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "base/command_line.h"
 #include "base/i18n/time_formatting.h"
 #include "base/stringprintf.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/automation/automation_provider_json.h"
 #include "chrome/browser/automation/automation_provider_observers.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_util.h"
 #include "chrome/browser/chromeos/audio/audio_handler.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
+#include "chrome/browser/chromeos/cros_settings.h"
 #include "chrome/browser/chromeos/login/default_user_images.h"
 #include "chrome/browser/chromeos/login/enrollment/enterprise_enrollment_screen.h"
 #include "chrome/browser/chromeos/login/eula_screen.h"
 #include "chrome/browser/chromeos/login/existing_user_controller.h"
 #include "chrome/browser/chromeos/login/login_display.h"
 #include "chrome/browser/chromeos/login/login_display_host.h"
 #include "chrome/browser/chromeos/login/network_screen.h"
 #include "chrome/browser/chromeos/login/screen_locker.h"
 #include "chrome/browser/chromeos/login/update_screen.h"
 #include "chrome/browser/chromeos/login/user_image_screen.h"
@@ skipping 1388 matching lines @@
   chromeos::AudioHandler* audio_handler = chromeos::AudioHandler::GetInstance();
   if (!audio_handler) {
     reply.SendError("AudioHandler not initialized.");
     return;
   }
   audio_handler->SetMuted(mute);
   reply.SendSuccess(NULL);
 }
 
 void TestingAutomationProvider::OpenCrosh(DictionaryValue* args,
-                                        IPC::Message* reply_message) {
+                                          IPC::Message* reply_message) {
   new NavigationNotificationObserver(
       NULL, this, reply_message, 1, false, true);
   ash::Shell::GetInstance()->delegate()->OpenCrosh();
 }
 
 void TestingAutomationProvider::CaptureProfilePhoto(
     Browser* browser,
     DictionaryValue* args,
     IPC::Message* reply_message) {
   chromeos::TakePhotoDialog* take_photo_dialog =
       new chromeos::TakePhotoDialog(NULL);
 
   // Set up an observer (it will delete itself).
   take_photo_dialog->AddObserver(new PhotoCaptureObserver(
       this, reply_message));
 
   views::Widget* window = views::Widget::CreateWindowWithParent(
       take_photo_dialog, browser->window()->GetNativeWindow());
   window->SetAlwaysOnTop(true);
   window->Show();
 }
 
+void TestingAutomationProvider::SetCrosSetting(base::DictionaryValue* args,
+                                               IPC::Message* reply_message) {
+  AutomationJSONReply reply(this, reply_message);
+  std::string path;
+  base::Value* val;
+  if (!args->GetString("path", &path) || !args->Get("value", &val)) {
+    reply.SendError("Invalid or missing args.");
+    return;
+  }
+  chromeos::CrosSettings* settings = chromeos::CrosSettings::Get();
+  settings->Set(path, *val);
+  reply.SendSuccess(NULL);
+}
+
 void TestingAutomationProvider::AddChromeosObservers() {
   power_manager_observer_ = new PowerManagerClientObserverForTesting;
   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
       AddObserver(power_manager_observer_);
 }
 
 void TestingAutomationProvider::RemoveChromeosObservers() {
   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->
       RemoveObserver(power_manager_observer_);
   delete power_manager_observer_;
   power_manager_observer_ = NULL;
 }