It is time.

ui/base/default_theme_provider_mac.mm

-// Copyright (c) 2013 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.
-
-#include "ui/base/default_theme_provider.h"
-
-#import <Cocoa/Cocoa.h>
-
-#include "ui/base/resource/resource_bundle.h"
-
-namespace ui {
-
-NSImage* DefaultThemeProvider::GetNSImageNamed(int id) const {
- return ResourceBundle::GetSharedInstance().
-     GetNativeImageNamed(id).ToNSImage();
-}
-
-NSColor* DefaultThemeProvider::GetNSImageColorNamed(int id) const {
-  NSImage* image = GetNSImageNamed(id);
-  return [NSColor colorWithPatternImage:image];
-}
-
-NSColor* DefaultThemeProvider::GetNSColor(int id) const {
-  return [NSColor redColor];
-}
-
-NSColor* DefaultThemeProvider::GetNSColorTint(int id) const {
-  return [NSColor redColor];
-}
-
-NSGradient* DefaultThemeProvider::GetNSGradient(int id) const {
-  return nil;
-}
-
-}  // namespace ui