Save/restore position for the preferences window based on prefs....

chrome/browser/cocoa/preferences_window_controller.h

Index: chrome/browser/cocoa/preferences_window_controller.h
===================================================================
--- chrome/browser/cocoa/preferences_window_controller.h	(revision 48830)
+++ chrome/browser/cocoa/preferences_window_controller.h	(working copy)
@@ -19,6 +19,7 @@
 class Profile;
 class ProfileSyncService;
 @class SearchEngineListModel;
+@class WindowSizeAutosaver;
 
 // A window controller that handles the preferences window. The bulk of the
 // work is handled via Cocoa Bindings and getter/setter methods that wrap
@@ -41,6 +42,7 @@
   ProfileSyncService* syncService_;
   scoped_ptr<PreferencesWindowControllerInternal::PrefObserverBridge>
       observer_;  // Watches for pref changes.
+  scoped_nsobject<WindowSizeAutosaver> sizeSaver_;
 
   IBOutlet NSToolbar* toolbar_;