Add ability to load pnacl resources from DIR_PNACL_COMPONENT.

chrome/renderer/pepper/ppb_nacl_private_impl.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/renderer/pepper/ppb_nacl_private_impl.h"
 
 #ifndef DISABLE_NACL
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
@@ skipping 295 matching lines @@
 
   base::PlatformFile handle = IPC::PlatformFileForTransitToPlatformFile(
       transit_fd);
   return handle;
 }
 
 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,
   &UrandomFD,
   &Are3DInterfacesDisabled,
   &EnableBackgroundSelLdrLaunch,
   &BrokerDuplicateHandle,
   &GetReadonlyPnaclFD,
   &CreateTemporaryFile,
-  &IsOffTheRecord
+  &IsOffTheRecord,
+  &IsPnaclEnabled
 };
 
 }  // namespace
 
 const PPB_NaCl_Private* PPB_NaCl_Private_Impl::GetInterface() {
   return &nacl_interface;
 }
 
 #endif  // DISABLE_NACL