Add an interface for nacl to create delete-on-close temp files,

chrome/browser/renderer_host/chrome_render_message_filter.cc

Index: chrome/browser/renderer_host/chrome_render_message_filter.cc
diff --git a/chrome/browser/renderer_host/chrome_render_message_filter.cc b/chrome/browser/renderer_host/chrome_render_message_filter.cc
index e646f2b72d27566ff8a797140554cdcd73e61170..671241a03fe490b7f258b20bf9af78f64b69421e 100644
--- a/chrome/browser/renderer_host/chrome_render_message_filter.cc
+++ b/chrome/browser/renderer_host/chrome_render_message_filter.cc
@@ -76,6 +76,8 @@ bool ChromeRenderMessageFilter::OnMessageReceived(const IPC::Message& message,
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ChromeViewHostMsg_LaunchNaCl, OnLaunchNaCl)
     IPC_MESSAGE_HANDLER_DELAY_REPLY(ChromeViewHostMsg_GetReadonlyPnaclFD,
                                     OnGetReadonlyPnaclFd)
+    IPC_MESSAGE_HANDLER_DELAY_REPLY(ChromeViewHostMsg_NaClCreateTemporaryFile,
+                                    OnNaClCreateTemporaryFile)
 #endif
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DnsPrefetch, OnDnsPrefetch)
     IPC_MESSAGE_HANDLER(ChromeViewHostMsg_ResourceTypeStats,
@@ -179,6 +181,11 @@ void ChromeRenderMessageFilter::OnGetReadonlyPnaclFd(
   // block until the reply is sent.
   pnacl_file_host::GetReadonlyPnaclFd(this, filename, reply_msg);
 }
+
+void ChromeRenderMessageFilter::OnNaClCreateTemporaryFile(
+    IPC::Message* reply_msg) {
+  pnacl_file_host::CreateTemporaryFile(this, reply_msg);
+}
 #endif
 
 void ChromeRenderMessageFilter::OnDnsPrefetch(