Add IsScalingDisabled and PP_PRINTOUTPUTFORMAT_EMF to pepper printing interface.

ppapi/native_client/src/shared/ppapi_proxy/plugin_ppp_printing_rpc_server.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.
 //
 // SRPC-abstraction wrappers around PPP_Printing functions.
 
 #include <string.h>
 
 #include "native_client/src/include/portability.h"
 #include "native_client/src/include/portability_process.h"
@@ skipping 28 matching lines @@
   NaClSrpcClosureRunner runner(done);
 
   uint32_t pp_formats = PPPPrintingInterface()->QuerySupportedFormats(instance);
   *formats = static_cast<int32_t>(pp_formats);
 
   DebugPrintf("PPP_Printing::QuerySupportedFormats: "
               "formats=%"NACL_PRId32"\n", *formats);
   rpc->result = NACL_SRPC_RESULT_OK;
 }
 
+void PppPrintingRpcServer::PPP_Printing_IsScalingDisabled(
+    NaClSrpcRpc* rpc,
+    NaClSrpcClosure* done,
+    // inputs
+    PP_Instance instance,
+    // outputs
+    bool* result) {
+  rpc->result = NACL_SRPC_RESULT_APP_ERROR;
+  NaClSrpcClosureRunner runner(done);
+
+  *result = PPPPrintingInterface()->IsScalingDisabled(instance);
+
+  DebugPrintf("PPP_Printing::IsScalingDisabled: "
+              "result=%"NACL_PRId32"\n", *result);
+  rpc->result = NACL_SRPC_RESULT_OK;
+}
+
 void PppPrintingRpcServer::PPP_Printing_Begin(
     NaClSrpcRpc* rpc,
     NaClSrpcClosure* done,
     // inputs
     PP_Instance instance,
     nacl_abi_size_t print_settings_bytes, char* print_settings,
     // outputs
     int32_t* pages_required) {
   rpc->result = NACL_SRPC_RESULT_APP_ERROR;
   NaClSrpcClosureRunner runner(done);
@@ skipping 40 matching lines @@
     // inputs
     PP_Instance instance) {
   rpc->result = NACL_SRPC_RESULT_APP_ERROR;
   NaClSrpcClosureRunner runner(done);
 
   PPPPrintingInterface()->End(instance);
 
   DebugPrintf("PPP_Printing::End\n");
   rpc->result = NACL_SRPC_RESULT_OK;
 }