[Chrome] Support NumCopies print preset

pdf/out_of_process_instance.h

Index: pdf/out_of_process_instance.h
diff --git a/pdf/out_of_process_instance.h b/pdf/out_of_process_instance.h
index 2779020bec10e7adfc1367419b222d13a457c094..8a841bf251eadb8540ad6a473b4bc3c29a8b4cfa 100644
--- a/pdf/out_of_process_instance.h
+++ b/pdf/out_of_process_instance.h
@@ -17,6 +17,7 @@
 #include "pdf/preview_mode_client.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/selection_dev.h"
@@ -76,6 +77,8 @@ class OutOfProcessInstance : public pp::Instance,
 
   // 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;