Get rid of non-functional elements from the themes prefs; add switcher....

chrome/browser/cocoa/autoseparating_menu.m

+// 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 "chrome/browser/cocoa/autoseparating_menu.h"
+
+@implementation AutoseparatingMenu
+
+- (NSMenuItem *)insertItemWithTitle:(NSString *)aString
+                             action:(SEL)aSelector
+                      keyEquivalent:(NSString *)keyEquiv
+                            atIndex:(NSInteger)index {
+  if ([aString isEqualToString:@"-"]) {
+    NSMenuItem* separator = [NSMenuItem separatorItem];
+    [self insertItem:separator
+             atIndex:index];
+    return separator;
+  } else {
+    return [super insertItemWithTitle:aString
+                               action:aSelector
+                        keyEquivalent:keyEquiv
+                              atIndex:index];
+  }
+}
+
+@end