[Chrome] Support NumCopies print preset

content/renderer/pepper/pepper_plugin_instance_impl.cc

Index: content/renderer/pepper/pepper_plugin_instance_impl.cc
diff --git a/content/renderer/pepper/pepper_plugin_instance_impl.cc b/content/renderer/pepper/pepper_plugin_instance_impl.cc
index 400fb1e5e560e806b8f41822a4801de88e8449e3..6ad16eb78ed80f2b8cb92a12f44075f26ba332ab 100644
--- a/content/renderer/pepper/pepper_plugin_instance_impl.cc
+++ b/content/renderer/pepper/pepper_plugin_instance_impl.cc
@@ -1699,6 +1699,13 @@ bool PepperPluginInstanceImpl::IsPrintScalingDisabled() {
   return plugin_print_interface_->IsScalingDisabled(pp_instance()) == PP_TRUE;
 }
 
+int PepperPluginInstanceImpl::GetNumCopies() {
+  DCHECK(plugin_print_interface_);
+  if (!plugin_print_interface_)
+    return 1;
+  return plugin_print_interface_->NumCopies(pp_instance());
+}
+
 int PepperPluginInstanceImpl::PrintBegin(const WebPrintParams& print_params) {
   // Keep a reference on the stack. See NOTE above.
   scoped_refptr<PepperPluginInstanceImpl> ref(this);