Add IsScalingDisabled and PP_PRINTOUTPUTFORMAT_EMF to pepper printing interface.

ppapi/native_client/src/shared/ppapi_proxy/ppp_rpc_client.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.
 //
 // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING

[vandebo (ex-Chrome), 2011/09/26 23:41:33]

I couldn't figure out how to generate these files, so I patched it by hand.

[dmichael (off chromium), 2011/09/27 15:28:38]

I haven't had to do this yet since things moved to Chromium.

Please try:
If that works for you, I can send an e-mail to pepper-team and try to document
it somewhere. It's definitely not obvious.

[vandebo (ex-Chrome), 2011/09/27 20:02:24]

That works.  How about adding the instructions/command line used to the auto
generated output (i.e. here)?

 //
 // Automatically generated code.  See srpcgen.py
 //
 // NaCl Simple Remote Procedure Call interface abstractions.
 
 #include "trusted/srpcgen/ppp_rpc.h"
 #ifdef __native_client__
 #ifndef UNREFERENCED_PARAMETER
 #define UNREFERENCED_PARAMETER(P) do { (void) P; } while (0)
 #endif  // UNREFERENCED_PARAMETER
@@ skipping 287 matching lines @@
       channel,
       "PPP_Printing_QuerySupportedFormats:i:i",
       instance,
       formats
   );
   if (retval == NACL_SRPC_RESULT_INTERNAL)
     ppapi_proxy::CleanUpAfterDeadNexe(instance);
   return retval;
 }
 
+NaClSrpcError PppPrintingRpcClient::PPP_Printing_IsScalingDisabled(
+    NaClSrpcChannel* channel,
+    PP_Instance instance,
+    bool* result)  {
+  NaClSrpcError retval;
+  retval = NaClSrpcInvokeBySignature(
+      channel,
+      "PPP_Printing_IsScalingDisabled:i:b",
+      instance,
+      result
+  );
+  if (retval == NACL_SRPC_RESULT_INTERNAL)
+    ppapi_proxy::CleanUpAfterDeadNexe(instance);
+  return retval;
+}
+
 NaClSrpcError PppPrintingRpcClient::PPP_Printing_Begin(
     NaClSrpcChannel* channel,
     PP_Instance instance,
     nacl_abi_size_t print_settings_bytes, char* print_settings,
     int32_t* pages_required)  {
   NaClSrpcError retval;
   retval = NaClSrpcInvokeBySignature(
       channel,
       "PPP_Printing_Begin:iC:i",
       instance,
@@ skipping 123 matching lines @@
       instance,
       factor,
       text_only
   );
   if (retval == NACL_SRPC_RESULT_INTERNAL)
     ppapi_proxy::CleanUpAfterDeadNexe(instance);
   return retval;
 }