[Chrome] Support NumCopies print preset

ppapi/thunk/ppb_printing_dev_thunk.cc

 // 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.
 
 // From dev/ppb_printing_dev.idl modified Tue Aug 20 08:13:36 2013.
 
 #include "ppapi/c/dev/ppb_printing_dev.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/shared_impl/tracked_callback.h"
@@ skipping 19 matching lines @@
                                 struct PP_CompletionCallback callback) {
   VLOG(4) << "PPB_Printing_Dev::GetDefaultPrintSettings()";
   EnterResource<PPB_Printing_API> enter(resource, callback, true);
   if (enter.failed())
     return enter.retval();
   return enter.SetResult(enter.object()->GetDefaultPrintSettings(
       print_settings,
       enter.callback()));
 }
 
+void SetPrintPresetOptionsFromDocument(
+    PP_Resource resource,
+    PP_PrintPresetOptions_Dev* print_options) {
+  VLOG(4) << "PPB_Printing_Dev::SetPrintPresetOptionsFromDocument()";
+  EnterResource<PPB_Printing_API> enter(resource, true);
+  if (enter.failed())
+    return;
+  enter.object()->SetPrintPresetOptionsFromDocument(print_options);
+}
+
 const PPB_Printing_Dev_0_7 g_ppb_printing_dev_thunk_0_7 = {
   &Create,
   &GetDefaultPrintSettings
 };
 
+const PPB_Printing_Dev_0_8 g_ppb_printing_dev_thunk_0_8 = {
+  &Create,
+  &GetDefaultPrintSettings,
+  &SetPrintPresetOptionsFromDocument
+};
+
 }  // namespace
 
 PPAPI_THUNK_EXPORT const PPB_Printing_Dev_0_7*
     GetPPB_Printing_Dev_0_7_Thunk() {
   return &g_ppb_printing_dev_thunk_0_7;
 }
 
+PPAPI_THUNK_EXPORT const PPB_Printing_Dev_0_8*
+    GetPPB_Printing_Dev_0_8_Thunk() {
+  return &g_ppb_printing_dev_thunk_0_8;
+}
+
 }  // namespace thunk
 }  // namespace ppapi