Add an IPC for PNaCl to check if the session is incognito, before deciding

chrome/renderer/pepper/ppb_nacl_private_impl.cc

Index: chrome/renderer/pepper/ppb_nacl_private_impl.cc
diff --git a/chrome/renderer/pepper/ppb_nacl_private_impl.cc b/chrome/renderer/pepper/ppb_nacl_private_impl.cc
index fb4d5f967b3c2998dd9ed8b5488a8d6b923a20fc..6c7401ad7ec3b40405f05d55dd2ce78966b92dbd 100644
--- a/chrome/renderer/pepper/ppb_nacl_private_impl.cc
+++ b/chrome/renderer/pepper/ppb_nacl_private_impl.cc
@@ -307,6 +307,17 @@ PP_FileHandle CreateTemporaryFile(PP_Instance instance) {
   return handle;
 }
 
+PP_Bool IsOffTheRecord() {
+  bool is_off_the_record;
+  content::RenderThread::Get()->Send(new ChromeViewHostMsg_IsOffTheRecord(
+      &is_off_the_record));
+  if (is_off_the_record) {
+    return PP_TRUE;
+  } else {
+    return PP_FALSE;
+  }
+}
+
 const PPB_NaCl_Private nacl_interface = {
   &LaunchSelLdr,
   &StartPpapiProxy,
@@ -315,7 +326,8 @@ const PPB_NaCl_Private nacl_interface = {
   &EnableBackgroundSelLdrLaunch,
   &BrokerDuplicateHandle,
   &GetReadonlyPnaclFD,
-  &CreateTemporaryFile
+  &CreateTemporaryFile,
+  &IsOffTheRecord
 };
 
 }  // namespace