Add IsScalingDisabled and PP_PRINTOUTPUTFORMAT_EMF to pepper printing interface.

ppapi/cpp/dev/printing_dev.cc

 // Copyright (c) 2011 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.
 
 #include "ppapi/cpp/dev/printing_dev.h"
 
 #include "ppapi/cpp/instance.h"
 #include "ppapi/cpp/module.h"
 #include "ppapi/cpp/module_impl.h"
 
@@ skipping 31 matching lines @@
       page_ranges, page_range_count).detach();
 }
 
 void End(PP_Instance instance) {
   void* object =
       pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
   if (object)
     static_cast<Printing_Dev*>(object)->PrintEnd();
 }
 
+PP_Bool IsScalingDisabled(PP_Instance instance) {
+  void* object =
+      pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
+  if (!object)
+    return PP_FALSE;
+  bool return_value =
+      static_cast<Printing_Dev*>(object)->IsPrintScalingDisabled();
+  return PP_FromBool(return_value);
+}
+
 const PPP_Printing_Dev ppp_printing = {
   &QuerySupportedFormats,
   &Begin,
   &PrintPages,
-  &End
+  &End,
+  &IsScalingDisabled
 };
 
 }  // namespace
 
 Printing_Dev::Printing_Dev(Instance* instance)
       : associated_instance_(instance) {
   pp::Module::Get()->AddPluginInterface(kPPPPrintingInterface, &ppp_printing);
   associated_instance_->AddPerInstanceObject(kPPPPrintingInterface, this);
 }
 
 Printing_Dev::~Printing_Dev() {
   associated_instance_->RemovePerInstanceObject(kPPPPrintingInterface, this);
 }
 
 }  // namespace pp