[Chrome] Support NumCopies print preset

pdf/instance.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 PDF_INSTANCE_H_
 #define PDF_INSTANCE_H_
 
 #include <queue>
 #include <set>
 #include <string>
@@ skipping 255 matching lines @@
   void UpdatePageIndicatorPosition(bool invalidate);
 
   void FormDidOpen(int32_t result);
 
   std::string GetLocalizedString(PP_ResourceString id);
 
   void UserMetricsRecordAction(const std::string& action);
 
   void SaveAs();
 
+  void SetPrintPresetOptionsFromDocument();
+
   enum ZoomMode {
     ZOOM_SCALE,  // Standard zooming mode, resize will not affect it.
     ZOOM_FIT_TO_WIDTH,  // Maintain fit to width on resize.
     ZOOM_FIT_TO_PAGE,  // Maintain fit to page on resize.
     ZOOM_AUTO  // Maintain the default auto fitting mode on resize.
   };
 
   enum DocumentLoadState {
     LOAD_STATE_LOADING,
     LOAD_STATE_COMPLETE,
@@ skipping 231 matching lines @@
                        const std::vector<pp::Var>& args,
                        pp::Var* exception);
 
  private:
   Instance* instance_;
 };
 
 }  // namespace chrome_pdf
 
 #endif  // PDF_INSTANCE_H_