[Chrome] Support NumCopies print preset

ppapi/proxy/printing_resource.h

 // Copyright (c) 2012 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.
 
 #ifndef PPAPI_PROXY_PRINTING_RESOURCE_H_
 #define PPAPI_PROXY_PRINTING_RESOURCE_H_
 
 #include "ppapi/proxy/connection.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/ppapi_proxy_export.h"
@@ skipping 12 matching lines @@
   virtual ~PrintingResource();
 
   // Resource overrides.
   virtual thunk::PPB_Printing_API* AsPPB_Printing_API() OVERRIDE;
 
   // PPB_Printing_API.
   virtual int32_t GetDefaultPrintSettings(
       PP_PrintSettings_Dev* print_settings,
       scoped_refptr<TrackedCallback> callback) OVERRIDE;
 
+  virtual void SetPrintPresetOptionsFromDocument(
+      PP_PrintPresetOptions_Dev* print_options) OVERRIDE;
+
  private:
   void OnPluginMsgGetDefaultPrintSettingsReply(
       PP_PrintSettings_Dev* settings_out,
       scoped_refptr<TrackedCallback> callback,
       const ResourceMessageReplyParams& params,
       const PP_PrintSettings_Dev& settings);
 
   DISALLOW_COPY_AND_ASSIGN(PrintingResource);
 };
 
 }  // namespace proxy
 }  // namespace ppapi
 
 #endif  // PPAPI_PROXY_PRINTING_RESOURCE_H_