PrintPreview:[MAC & WIN] Added code to show the native printer management dialog.

chrome/browser/printing/printer_manager_dialog_mac.mm

Index: chrome/browser/printing/printer_manager_dialog_mac.mm
diff --git a/chrome/browser/printing/printer_manager_dialog_mac.mm b/chrome/browser/printing/printer_manager_dialog_mac.mm
new file mode 100644
index 0000000000000000000000000000000000000000..44bfc690f2bfa40cd78cc2d6c9f8313cc9e8c0f3
--- /dev/null
+++ b/chrome/browser/printing/printer_manager_dialog_mac.mm
@@ -0,0 +1,18 @@
+// Copyright (c) 2011 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 "chrome/browser/printing/printer_manager_dialog.h"
+
+#import <AppKit/AppKit.h>
+
+namespace printing {
+
+static NSString* kPrintAndFaxPrefPane =
+    @"/System/Library/PreferencePanes/PrintAndFax.prefPane";
+
+void PrinterManagerDialog::ShowPrinterManagerDialog() {
+  [[NSWorkspace sharedWorkspace] openFile:kPrintAndFaxPrefPane];
+}
+
+}  // namespace printing