Add ability to load pnacl resources from DIR_PNACL_COMPONENT.

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 3b4607d7eda236fc022a39e0db5e1883e6032f61..7ebaba1f056aa33c0721e479369e6dde47b4f699 100644
--- a/chrome/renderer/pepper/ppb_nacl_private_impl.cc
+++ b/chrome/renderer/pepper/ppb_nacl_private_impl.cc
@@ -313,6 +313,11 @@ PP_Bool IsOffTheRecord() {
   return PP_FromBool(ChromeRenderProcessObserver::is_incognito_process());
 }
 
+PP_Bool IsPnaclEnabled() {
+  return PP_FromBool(CommandLine::ForCurrentProcess()->HasSwitch(
+      switches::kEnablePnacl));
+}
+
 const PPB_NaCl_Private nacl_interface = {
   &LaunchSelLdr,
   &StartPpapiProxy,
@@ -322,7 +327,8 @@ const PPB_NaCl_Private nacl_interface = {
   &BrokerDuplicateHandle,
   &GetReadonlyPnaclFD,
   &CreateTemporaryFile,
-  &IsOffTheRecord
+  &IsOffTheRecord,
+  &IsPnaclEnabled
 };
 
 }  // namespace