Store rotation/ui scale to local state.

chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc

Index: chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc
diff --git a/chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc b/chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc
index 47328de5de664f92f9ddfb13bca2a651cdb34dc3..9e8ddfba9075f43de45e1dd167039db41629de1f 100644
--- a/chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc
+++ b/chrome/browser/ui/ash/chrome_shell_delegate_chromeos.cc
@@ -17,6 +17,7 @@
 #include "chrome/browser/chromeos/background/ash_user_wallpaper_delegate.h"
 #include "chrome/browser/chromeos/cros/cros_library.h"
 #include "chrome/browser/chromeos/cros/network_library.h"
+#include "chrome/browser/chromeos/display/display_preferences.h"
 #include "chrome/browser/chromeos/extensions/file_manager_util.h"
 #include "chrome/browser/chromeos/extensions/media_player_api.h"
 #include "chrome/browser/chromeos/extensions/media_player_event_router.h"
@@ -92,6 +93,10 @@ bool ChromeShellDelegate::IsScreenLocked() const {
   return chromeos::ScreenLocker::default_screen_locker()->locked();
 }
 
+void ChromeShellDelegate::OnPreInit() {
+  chromeos::LoadDisplayPreferences();
+}
+
 void ChromeShellDelegate::Shutdown() {
   content::RecordAction(content::UserMetricsAction("Shutdown"));
   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->