ppapi: Make 0.4 the default for PPP_Printing_Dev, leave backwards-compat

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"
 
 namespace pp {
 
 namespace {
 
 static const char kPPPPrintingInterface[] = PPP_PRINTING_DEV_INTERFACE;
 
-#ifdef PPP_PRINTING_DEV_USE_0_4
 uint32_t QuerySupportedFormats(PP_Instance instance) {
   void* object =
       pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
   if (!object)
     return 0;
   return static_cast<Printing_Dev*>(object)->QuerySupportedPrintOutputFormats();
 }
-#else
-PP_PrintOutputFormat_Dev* QuerySupportedFormats(PP_Instance instance,
-                                                uint32_t* format_count) {
-  void* object =
-      pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
-  if (!object)
-    return NULL;
-  return static_cast<Printing_Dev*>(object)->QuerySupportedPrintOutputFormats(
-      format_count);
-}
-#endif
 
 int32_t Begin(PP_Instance instance,
               const struct PP_PrintSettings_Dev* print_settings) {
   void* object =
       pp::Instance::GetPerInstanceObject(instance, kPPPPrintingInterface);
   if (!object)
     return 0;
   return static_cast<Printing_Dev*>(object)->PrintBegin(*print_settings);
 }
 
@@ skipping 28 matching lines @@
       : 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