Mac: Save/restore task manager window pos and size.

chrome/browser/cocoa/nswindow_local_state.mm

-// Copyright (c) 2009 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.
-
-#import <Cocoa/Cocoa.h>
-#include "chrome/common/pref_service.h"
-
-@implementation NSWindow (LocalStateAdditions)
-
-- (void)saveWindowPositionToPrefs:(PrefService*)prefs
-                         withPath:(const wchar_t*)path {
-  DCHECK(prefs);
-  // Save the origin of the window.
-  DictionaryValue* windowPrefs = prefs->GetMutableDictionary(path);
-  NSRect frame = [self frame];
-  windowPrefs->SetInteger(L"x", frame.origin.x);
-  windowPrefs->SetInteger(L"y", frame.origin.y);
-}
-
-- (void)restoreWindowPositionFromPrefs:(PrefService*)prefs
-                              withPath:(const wchar_t*)path {
-  DCHECK(prefs);
-  // Get the positioning information.
-  DictionaryValue* windowPrefs = prefs->GetMutableDictionary(path);
-  int x = 0, y = 0;
-  windowPrefs->GetInteger(L"x", &x);
-  windowPrefs->GetInteger(L"y", &y);
-  // Turn the origin (lower-left) into an upper-left window point.
-  NSPoint upperLeft = NSMakePoint(x, y + [self frame].size.height);
-  NSPoint cascadePoint = [self cascadeTopLeftFromPoint:upperLeft];
-  // Cascade again to get the offset when opening new windows.
-  [self cascadeTopLeftFromPoint:cascadePoint];
-  // Force a save of the pref.
-  [self saveWindowPositionToPrefs:prefs withPath:path];
-}
-
-@end