Have PNaCl use debug pexe URL instead of stripped pexe w/ kEnableNaClDebug

components/nacl/renderer/ppb_nacl_private_impl.cc

Index: components/nacl/renderer/ppb_nacl_private_impl.cc
diff --git a/components/nacl/renderer/ppb_nacl_private_impl.cc b/components/nacl/renderer/ppb_nacl_private_impl.cc
index 237e6d9a02489276b1cff798c15867f722197055..beb36b1a9ace51508874c44f598a1c3cb5e2cacb 100644
--- a/components/nacl/renderer/ppb_nacl_private_impl.cc
+++ b/components/nacl/renderer/ppb_nacl_private_impl.cc
@@ -13,6 +13,7 @@
 #include "base/rand_util.h"
 #include "components/nacl/common/nacl_host_messages.h"
 #include "components/nacl/common/nacl_messages.h"
+#include "components/nacl/common/nacl_switches.h"
 #include "components/nacl/common/nacl_types.h"
 #include "components/nacl/renderer/pnacl_translation_resource_host.h"
 #include "components/nacl/renderer/trusted_plugin_channel.h"
@@ -540,6 +541,11 @@ void InstanceDestroyed(PP_Instance instance) {
   delete instance_info;
 }
 
+PP_Bool NaClDebugStubEnabled() {
+  return PP_FromBool(CommandLine::ForCurrentProcess()->HasSwitch(
+                         switches::kEnableNaClDebug));
+}
+
 const PPB_NaCl_Private nacl_interface = {
   &LaunchSelLdr,
   &StartPpapiProxy,
@@ -555,7 +561,8 @@ const PPB_NaCl_Private nacl_interface = {
   &DispatchEvent,
   &SetReadOnlyProperty,
   &ReportLoadError,
-  &InstanceDestroyed
+  &InstanceDestroyed,
+  &NaClDebugStubEnabled
 };
 
 }  // namespace