[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 72 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 PP_Bool GetPrintPresetOptionsFromDocument(
+      PP_PrintPresetOptions_Dev& options);

[dmichael (off chromium), 2014/09/22 18:11:51]

same nit; out-params should be by pointer

[Nikhil, 2014/09/23 10:32:28]

Done.

 
   // 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_