Cross-platform DefaultThemeProvider.

ui/base/default_theme_provider_mac.mm

Index: ui/base/default_theme_provider_mac.mm
diff --git a/ui/base/default_theme_provider_mac.mm b/ui/base/default_theme_provider_mac.mm
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+++ b/ui/base/default_theme_provider_mac.mm
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+// 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 {
+
+#if !defined(TOOLKIT_VIEWS)
+NSImage* DefaultThemeProvider::GetNSImageNamed(int id,
+                                               bool allow_default) const {
+ return ResourceBundle::GetSharedInstance().
+     GetNativeImageNamed(id).ToNSImage();
+}
+
+NSColor* DefaultThemeProvider::GetNSImageColorNamed(int id,
+                                                    bool allow_default) const {
+  NSImage* image = GetNSImageNamed(id, allow_default);
+  return [NSColor colorWithPatternImage:image];
+}
+
+NSColor* DefaultThemeProvider::GetNSColor(int id,
+                                          bool allow_default) const {
+  return [NSColor redColor];
+}
+
+NSColor* DefaultThemeProvider::GetNSColorTint(int id,
+                                              bool allow_default) const {
+  return [NSColor redColor];
+}
+
+NSGradient* DefaultThemeProvider::GetNSGradient(int id) const {
+  return nil;
+}
+#endif
+
+}  // namespace ui