Cause the 'enable-nacl' flag to be locked with enabling the NaCl plugin.

chrome/common/chrome_content_client.cc

 // Copyright (c) 2011 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/common/chrome_content_client.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_split.h"
@@ skipping 169 matching lines @@
   plugins->push_back(plugin);
 }
 
 #endif  // !defined(NACL_WIN64)
 
 }  // namespace
 
 namespace chrome {
 
 const char* ChromeContentClient::kPDFPluginName = ::kPDFPluginName;
+const char* ChromeContentClient::kNaClPluginName = ::kNaClPluginName;
 
 void ChromeContentClient::SetActiveURL(const GURL& url) {
   child_process_logging::SetActiveURL(url);
 }
 
 void ChromeContentClient::SetGpuInfo(const GPUInfo& gpu_info) {
   child_process_logging::SetGpuInfo(gpu_info);
 }
 
 void ChromeContentClient::AddPepperPlugins(
@@ skipping 24 matching lines @@
   switch (msg.type()) {
     case ViewHostMsg_Snapshot::ID:
       return true;
     default:
       break;
   }
   return false;
 }
 
 }  // namespace chrome