Add IsScalingDisabled and PP_PRINTOUTPUTFORMAT_EMF to pepper printing interface.

ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_printing.cc

Index: ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_printing.cc
diff --git a/ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_printing.cc b/ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_printing.cc
index 075529afb139341fc305c801226fe152b824ef57..379bde0730681feec619d53c8c9b9fa88e2f359f 100644
--- a/ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_printing.cc
+++ b/ppapi/native_client/src/shared/ppapi_proxy/browser_ppp_printing.cc
@@ -38,6 +38,24 @@ uint32_t QuerySupportedFormats(PP_Instance instance) {
   return static_cast<uint32_t>(formats);
 }
 
+bool IsScalingDisabled(PP_Instance instance) {
+  DebugPrintf("PPP_Printing_Dev::IsScalingDisabled: "
+              "instance=%"NACL_PRIu32"\n", instance);
+
+  bool result = false;
+  NaClSrpcError srpc_result =
+      PppPrintingRpcClient::PPP_Printing_IsScalingDisabled(
+          GetMainSrpcChannel(instance),
+          instance,
+          &result);
+
+  DebugPrintf("PPP_Printing_Dev::IsScalingDisabled: %s\n",
+              NaClSrpcErrorString(srpc_result));
+
+  return result;
+}
+
+
 int32_t Begin(PP_Instance instance,
               const struct PP_PrintSettings_Dev* print_settings) {
   DebugPrintf("PPP_Printing_Dev::Begin: instance=%"NACL_PRIu32"\n", instance);
@@ -52,7 +70,7 @@ int32_t Begin(PP_Instance instance,
               const_cast<PP_PrintSettings_Dev*>(print_settings)),
           &pages_required);
 
-  DebugPrintf("PPP_Printing_Dev::QuerySupportedFormats: %s\n",
+  DebugPrintf("PPP_Printing_Dev::Begin: %s\n",
               NaClSrpcErrorString(srpc_result));
   return pages_required;
 }
@@ -74,7 +92,7 @@ PP_Resource PrintPages(PP_Instance instance,
           page_range_count,
           &image_data);
 
-  DebugPrintf("PPP_Printing_Dev::QuerySupportedFormats: %s\n",
+  DebugPrintf("PPP_Printing_Dev::PrintPages: %s\n",

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

nice catch, thanks!

               NaClSrpcErrorString(srpc_result));
   return image_data;
 }
@@ -94,6 +112,7 @@ void End(PP_Instance instance) {
 const PPP_Printing_Dev* BrowserPrinting::GetInterface() {
   static const PPP_Printing_Dev printing_interface = {
     QuerySupportedFormats,
+    IsScalingDisabled,
     Begin,
     PrintPages,
     End