Store rotation/ui scale to local state.

ash/shell_delegate.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 ASH_SHELL_DELEGATE_H_
 #define ASH_SHELL_DELEGATE_H_
 
 #include <string>
 
 #include "ash/ash_export.h"
@@ skipping 98 matching lines @@
 
   // Invoked when a user locks the screen.
   virtual void LockScreen() = 0;
 
   // Unlock the screen. Currently used only for tests.
   virtual void UnlockScreen() = 0;
 
   // Returns true if the screen is currently locked.
   virtual bool IsScreenLocked() const = 0;
 
+  // Called before processing |Shell::Init()|;
+  virtual void OnPreInit() = 0;
+
   // Shuts down the environment.
   virtual void Shutdown() = 0;
 
   // Invoked when the user uses Ctrl-Shift-Q to close chrome.
   virtual void Exit() = 0;
 
   // Invoked when the user uses Ctrl+T to open a new tab.
   virtual void NewTab() = 0;
 
   // Invoked when the user uses Ctrl-N or Ctrl-Shift-N to open a new window.
@@ skipping 114 matching lines @@
   // value.
   virtual RootWindowHostFactory* CreateRootWindowHostFactory() = 0;
 
   // Get the product name.
   virtual string16 GetProductName() const = 0;
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_DELEGATE_H_