Store rotation/ui scale to local state.

chrome/browser/chromeos/display/display_preferences.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_DISPLAY_DISPLAY_PREFERENCES_H_
 #define CHROME_BROWSER_CHROMEOS_DISPLAY_DISPLAY_PREFERENCES_H_
 
 #include "base/basictypes.h"
 
 class PrefRegistrySimple;
@@ skipping 13 matching lines @@
 // into Local State.
 void RegisterDisplayLocalStatePrefs(PrefRegistrySimple* registry);
 
 // Stores the current displays prefereces (both primary display id and
 // dispay layout).
 void StoreDisplayPrefs();
 
 // Sets the display layout for the current displays and default.
 void SetCurrentAndDefaultDisplayLayout(const ash::DisplayLayout& layout);
 
-// Sets and saves the overscan preference for the specified |display| to Local
-// State.
-void SetAndStoreDisplayOverscan(const gfx::Display& display,
-                                const gfx::Insets& insets);
-
-// Checks the current display settings in Local State and notifies them to the
-// system.
-void NotifyDisplayLocalStatePrefChanged();
+// Load display preferences from Local Store.
+void LoadDisplayPreferences();
 
 // Stores the display layout for given display pairs.
 void StoreDisplayLayoutPrefForTest(int64 id1,
                                    int64 id2,
                                    const ash::DisplayLayout& layout);
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_DISPLAY_DISPLAY_PREFERENCES_H_