Add #ifdefs to separate NaCl and non-NaCl PPAPI Proxy code.

ppapi/proxy/ppb_url_loader_proxy.cc

Index: ppapi/proxy/ppb_url_loader_proxy.cc
===================================================================
--- ppapi/proxy/ppb_url_loader_proxy.cc	(revision 132566)
+++ ppapi/proxy/ppb_url_loader_proxy.cc	(working copy)
@@ -57,6 +57,7 @@
                               int64 total_bytes_to_be_sent,
                               int64 bytes_received,
                               int64 total_bytes_to_be_received) {
+#if !defined(OS_NACL)
   Dispatcher* dispatcher = HostDispatcher::GetForInstance(pp_instance);
   if (!dispatcher)
     return;
@@ -70,6 +71,7 @@
   params.total_bytes_to_be_received = total_bytes_to_be_received;
   dispatcher->Send(new PpapiMsg_PPBURLLoader_UpdateProgress(
       API_ID_PPB_URL_LOADER, params));
+#endif
 }
 
 InterfaceProxy* CreateURLLoaderProxy(Dispatcher* dispatcher) {
@@ -424,9 +426,10 @@
                         OnMsgClose)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBURLLoader_GrantUniversalAccess,
                         OnMsgGrantUniversalAccess)
-
+#if !defined(OS_NACL)
     IPC_MESSAGE_HANDLER(PpapiMsg_PPBURLLoader_UpdateProgress,
                         OnMsgUpdateProgress)
+#endif
     IPC_MESSAGE_HANDLER(PpapiMsg_PPBURLLoader_ReadResponseBody_Ack,
                         OnMsgReadResponseBodyAck)
     IPC_MESSAGE_HANDLER(PpapiMsg_PPBURLLoader_CallbackComplete,