PnaclCoordinator: Use llc's module-splitting for pexe compilation

components/nacl/browser/nacl_host_message_filter.cc

Index: components/nacl/browser/nacl_host_message_filter.cc
diff --git a/components/nacl/browser/nacl_host_message_filter.cc b/components/nacl/browser/nacl_host_message_filter.cc
index 1334ffaf8de5ba67a6b075d7a1ff242e5881c4f9..cef4fdc412573f2406ba5380d3efbe766bfb0c36 100644
--- a/components/nacl/browser/nacl_host_message_filter.cc
+++ b/components/nacl/browser/nacl_host_message_filter.cc
@@ -4,6 +4,7 @@
 
 #include "components/nacl/browser/nacl_host_message_filter.h"
 
+#include "base/sys_info.h"
 #include "components/nacl/browser/nacl_browser.h"
 #include "components/nacl/browser/nacl_file_host.h"
 #include "components/nacl/browser/nacl_process_host.h"
@@ -52,6 +53,8 @@ bool NaClHostMessageFilter::OnMessageReceived(const IPC::Message& message,
     IPC_MESSAGE_HANDLER(NaClHostMsg_NaClErrorStatus, OnNaClErrorStatus)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(NaClHostMsg_OpenNaClExecutable,
                                     OnOpenNaClExecutable)
+    IPC_MESSAGE_HANDLER(NaClHostMsg_NaClGetNumProcessors,
+                        OnNaClGetNumProcessors)
 #endif
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
@@ -133,6 +136,10 @@ void NaClHostMessageFilter::AsyncReturnTemporaryFile(
       IPC::GetFileHandleForProcess(fd, PeerHandle(), false)));
 }
 
+void NaClHostMessageFilter::OnNaClGetNumProcessors(int *num_processors) {
+  *num_processors = base::SysInfo::NumberOfProcessors();
+}
+
 void NaClHostMessageFilter::OnGetNexeFd(
     int render_view_id,
     int pp_instance,