[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>
 #include <utility>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "pdf/button.h"
 #include "pdf/fading_controls.h"
 #include "pdf/page_indicator.h"
 #include "pdf/paint_manager.h"
 #include "pdf/pdf_engine.h"
 #include "pdf/preview_mode_client.h"
 #include "pdf/progress_control.h"
 #include "pdf/thumbnail_control.h"
 
 #include "ppapi/c/private/ppb_pdf.h"
+#include "ppapi/c/private/ppp_pdf.h"
 #include "ppapi/cpp/dev/printing_dev.h"
 #include "ppapi/cpp/dev/scriptable_object_deprecated.h"
 #include "ppapi/cpp/dev/scrollbar_dev.h"
 #include "ppapi/cpp/dev/selection_dev.h"
 #include "ppapi/cpp/dev/widget_client_dev.h"
 #include "ppapi/cpp/dev/zoom_dev.h"
 #include "ppapi/cpp/graphics_2d.h"
 #include "ppapi/cpp/image_data.h"
 #include "ppapi/cpp/input_event.h"
 #include "ppapi/cpp/private/find_private.h"
@@ skipping 48 matching lines @@
   virtual int32_t PrintBegin(
       const PP_PrintSettings_Dev& print_settings) override;
   virtual pp::Resource PrintPages(
       const PP_PrintPageNumberRange_Dev* page_ranges,
       uint32_t page_range_count) override;
   virtual void PrintEnd() override;
   virtual bool IsPrintScalingDisabled() override;
 
   // pp::Private implementation.
   virtual pp::Var GetLinkAtPosition(const pp::Point& point);
+  virtual void GetPrintPresetOptionsFromDocument(
+      PP_PdfPrintPresetOptions_Dev* options);
 
   // PPP_Selection_Dev implementation.
   virtual pp::Var GetSelectedText(bool html) override;
 
   // WidgetClient_Dev implementation.
   virtual void InvalidateWidget(pp::Widget_Dev widget,
                                 const pp::Rect& dirty_rect) override;
   virtual void ScrollbarValueChanged(pp::Scrollbar_Dev scrollbar,
                                      uint32_t value) override;
   virtual void ScrollbarOverlayChanged(pp::Scrollbar_Dev scrollbar,
@@ skipping 419 matching lines @@
                        const std::vector<pp::Var>& args,
                        pp::Var* exception);
 
  private:
   Instance* instance_;
 };
 
 }  // namespace chrome_pdf
 
 #endif  // PDF_INSTANCE_H_