Add IsScalingDisabled and PP_PRINTOUTPUTFORMAT_EMF to pepper printing interface.

webkit/plugins/ppapi/ppapi_webplugin_impl.cc

Index: webkit/plugins/ppapi/ppapi_webplugin_impl.cc
diff --git a/webkit/plugins/ppapi/ppapi_webplugin_impl.cc b/webkit/plugins/ppapi/ppapi_webplugin_impl.cc
index 613f2d3d0174364ede6b1ac4e5771c4385351cc0..b3ac35a5e27d87fe2f796e7345470f0a48438f19 100644
--- a/webkit/plugins/ppapi/ppapi_webplugin_impl.cc
+++ b/webkit/plugins/ppapi/ppapi_webplugin_impl.cc
@@ -238,6 +238,10 @@ bool WebPluginImpl::supportsPaginatedPrint() {
   return instance_->SupportsPrintInterface();
 }
 
+bool WebPluginImpl::isPrintScalingDisabled() {
+  return instance_->IsPrintScalingDisabled();
+}
+
 int WebPluginImpl::printBegin(const WebKit::WebRect& printable_area,
                               int printer_dpi) {
   return instance_->PrintBegin(printable_area, printer_dpi);