Move base/values.h into the base namespace.

printing/backend/print_backend_win.cc

 // 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 "printing/backend/print_backend.h"
 
 #include <objidl.h>
 #include <winspool.h>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 168 matching lines @@
               NULL);
   bool ret = false;
   if (printer_handle) {
     ret = true;
     ClosePrinter(printer_handle);
   }
   return ret;
 }
 
 scoped_refptr<PrintBackend> PrintBackend::CreateInstance(
-    const DictionaryValue* print_backend_settings) {
+    const base::DictionaryValue* print_backend_settings) {
   return new PrintBackendWin;
 }
 
 }  // namespace printing