ChromeOS: Per-user time zone: refactor tests first.

chrome/test/base/testing_profile.cc

Index: chrome/test/base/testing_profile.cc
diff --git a/chrome/test/base/testing_profile.cc b/chrome/test/base/testing_profile.cc
index 580410309d8ffa5c49e0c2548068c5e06143569a..f67cb42419726a1f737fb6b8d364ddf36fd2d2bf 100644
--- a/chrome/test/base/testing_profile.cc
+++ b/chrome/test/base/testing_profile.cc
@@ -28,6 +28,7 @@
 #include "chrome/browser/browsing_data/chrome_browsing_data_remover_delegate.h"
 #include "chrome/browser/browsing_data/chrome_browsing_data_remover_delegate_factory.h"
 #include "chrome/browser/chrome_notification_types.h"
+#include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/favicon/favicon_service_factory.h"
 #include "chrome/browser/history/chrome_history_client.h"
@@ -426,6 +427,13 @@ void TestingProfile::Init() {
              content::BrowserThread::UI) ||
          content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
 
+#if defined(OS_CHROMEOS)
+  if (!chromeos::CrosSettings::IsInitialized()) {
+    scoped_cros_settings_test_helper_.reset(
+        new chromeos::ScopedCrosSettingsTestHelper);
+  }
+#endif
+
   set_is_guest_profile(guest_session_);
 
   BrowserContext::Initialize(this, profile_path_);