[Chrome] Support NumCopies print preset

ppapi/c/dev/ppb_printing_dev.h

Index: ppapi/c/dev/ppb_printing_dev.h
diff --git a/ppapi/c/dev/ppb_printing_dev.h b/ppapi/c/dev/ppb_printing_dev.h
index 8b04c124f1178151f33659e1c092b18cefe920a5..ba94419cc568845bc572d8a3bcae603fb3b8ef20 100644
--- a/ppapi/c/dev/ppb_printing_dev.h
+++ b/ppapi/c/dev/ppb_printing_dev.h
@@ -20,7 +20,8 @@
 #include "ppapi/c/pp_stdint.h"
 
 #define PPB_PRINTING_DEV_INTERFACE_0_7 "PPB_Printing(Dev);0.7"
-#define PPB_PRINTING_DEV_INTERFACE PPB_PRINTING_DEV_INTERFACE_0_7
+#define PPB_PRINTING_DEV_INTERFACE_0_8 "PPB_Printing(Dev);0.8"
+#define PPB_PRINTING_DEV_INTERFACE PPB_PRINTING_DEV_INTERFACE_0_8
 
 /**
  * @file
@@ -32,7 +33,7 @@
  * @addtogroup Interfaces
  * @{
  */
-struct PPB_Printing_Dev_0_7 {
+struct PPB_Printing_Dev_0_8 {
   /** Create a resource for accessing printing functionality.
    *
    * @param[in] instance A <code>PP_Instance</code> identifying one instance
@@ -59,9 +60,29 @@ struct PPB_Printing_Dev_0_7 {
       PP_Resource resource,
       struct PP_PrintSettings_Dev* print_settings,
       struct PP_CompletionCallback callback);
+  /**
+   * Sets the print preset options in print preview dialog based on properties
+   * set in the source pdf document.
+   *
+   * @param[in] resource The printing resource.
+   *
+   * @param[in] print_options The print preset options set in
+   * <code>PP_PrintPresetOptions_Dev</code>.
+   */
+  void (*SetPrintPresetOptionsFromDocument)(
+      PP_Resource resource,
+      const struct PP_PrintPresetOptions_Dev* print_options);
 };
 
-typedef struct PPB_Printing_Dev_0_7 PPB_Printing_Dev;
+typedef struct PPB_Printing_Dev_0_8 PPB_Printing_Dev;
+
+struct PPB_Printing_Dev_0_7 {
+  PP_Resource (*Create)(PP_Instance instance);
+  int32_t (*GetDefaultPrintSettings)(
+      PP_Resource resource,
+      struct PP_PrintSettings_Dev* print_settings,
+      struct PP_CompletionCallback callback);
+};
 /**
  * @}
  */