[Chrome] Support NumCopies print preset

ppapi/c/private/ppp_pdf.h

Index: ppapi/c/private/ppp_pdf.h
diff --git a/ppapi/c/private/ppp_pdf.h b/ppapi/c/private/ppp_pdf.h
index 144e95cdff7306976bdc3e13389f25a66dda16f5..86e0fd9b734907fd4ccc07909578cfccffd0cca1 100644
--- a/ppapi/c/private/ppp_pdf.h
+++ b/ppapi/c/private/ppp_pdf.h
@@ -5,6 +5,7 @@
 #ifndef PPAPI_C_PRIVATE_PPP_PDF_H_
 #define PPAPI_C_PRIVATE_PPP_PDF_H_
 
+#include "ppapi/c/dev/pp_print_settings_dev.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/c/pp_point.h"
 #include "ppapi/c/pp_var.h"
@@ -20,15 +21,37 @@ typedef enum {
 } PP_PrivatePageTransformType;
 PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_PrivatePageTransformType, 4);
 
-struct PPP_Pdf_1 {
+struct PP_PdfPrintPresetOptions_Dev {
+  // Returns whether scaling is disabled. Returns same information as the
+  // PPP_Printing_Dev's method IsScalingDiabled().
+  PP_Bool is_scaling_disabled;
+
+  // Number of copies to be printed.
+  int32_t copies;
+
+  // DuplexMode to be used for printing.
+  PP_PrintDuplexMode_Dev duplex;
+
+  // Page range to be used for printing.
+  struct PP_PrintRange_Dev page_range;
+  int32_t page_range_count;
+};
+PP_COMPILE_ASSERT_STRUCT_SIZE_IN_BYTES(PP_PdfPrintPresetOptions_Dev, 24);
+
+struct PPP_Pdf_1_1 {
   // Returns an absolute URL if the position is over a link.
   PP_Var (*GetLinkAtPosition)(PP_Instance instance,
                               PP_Point point);
 
   // Requests that the plugin apply the given transform to its view.
   void (*Transform)(PP_Instance instance, PP_PrivatePageTransformType type);
+
+  // Return true if print preset options are updated from document.
+  PP_Bool (*GetPrintPresetOptionsFromDocument)(
+      PP_Instance instance,
+      PP_PdfPrintPresetOptions_Dev* options);
 };
 
-typedef PPP_Pdf_1 PPP_Pdf;
+typedef PPP_Pdf_1_1 PPP_Pdf;
 
 #endif  // PPAPI_C_PRIVATE_PPP_PDF_H_