Enable PNaCl by default (revert disabling CL)

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 288 matching lines @@
     return;
   g_pnacl_resource_host.Get()->ReportTranslationFinished(instance, success);
 }
 
 PP_Bool IsOffTheRecord() {
   return PP_FromBool(ChromeRenderProcessObserver::is_incognito_process());
 }
 
 PP_Bool IsPnaclEnabled() {
   return PP_FromBool(
-      CommandLine::ForCurrentProcess()->HasSwitch(switches::kEnablePnacl));
+      !CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisablePnacl));
 }
 
 PP_ExternalPluginResult ReportNaClError(PP_Instance instance,
                               PP_NaClError error_id) {
   IPC::Sender* sender = content::RenderThread::Get();
 
   if (!sender->Send(
           new NaClHostMsg_NaClErrorStatus(
               // TODO(dschuff): does this enum need to be sent as an int,
               // or is it safe to include the appropriate headers in
@@ skipping 49 matching lines @@
   &OpenNaClExecutable
 };
 
 }  // namespace
 
 const PPB_NaCl_Private* PPB_NaCl_Private_Impl::GetInterface() {
   return &nacl_interface;
 }
 
 #endif  // DISABLE_NACL