Add an option to disable NaCl at compile time for platforms where it doesn't build yet

chrome/browser/plugin_service.cc

 // Copyright (c) 2006-2008 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 "build/build_config.h"
 
 #include "chrome/browser/plugin_service.h"
 
 #include "base/command_line.h"
 #include "base/string_util.h"
 #include "base/thread.h"
 #include "base/waitable_event.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_plugin_host.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/extensions/extensions_service.h"
 #include "chrome/browser/plugin_process_host.h"
 #include "chrome/browser/renderer_host/render_process_host.h"
 #include "chrome/common/chrome_plugin_lib.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/logging_chrome.h"
 #include "chrome/common/notification_type.h"
 #include "chrome/common/notification_service.h"
 #include "chrome/common/render_messages.h"
+#ifndef DISABLE_NACL
 #include "native_client/src/trusted/plugin/nacl_entry_points.h"
+#endif
 #include "webkit/glue/plugins/plugin_constants_win.h"
 #include "webkit/glue/plugins/plugin_list.h"
 
 // static
 PluginService* PluginService::GetInstance() {
   return Singleton<PluginService>::get();
 }
 
 PluginService::PluginService()
     : main_message_loop_(MessageLoop::current()),
       resource_dispatcher_host_(NULL),
       ui_locale_(ASCIIToWide(g_browser_process->GetApplicationLocale())) {
   // Have the NPAPI plugin list search for Chrome plugins as well.
   ChromePluginLib::RegisterPluginsWithNPAPI();
   // Load the one specified on the command line as well.
   const CommandLine* command_line = CommandLine::ForCurrentProcess();
   std::wstring path = command_line->GetSwitchValue(switches::kLoadPlugin);
   if (!path.empty()) {
     NPAPI::PluginList::Singleton()->AddExtraPluginPath(
         FilePath::FromWStringHack(path));
   }
+#ifndef DISABLE_NACL
   if (command_line->HasSwitch(switches::kInternalNaCl))
     RegisterInternalNaClPlugin();
+#endif
 
 #if defined(OS_WIN)
   hkcu_key_.Create(
       HKEY_CURRENT_USER, kRegistryMozillaPlugins, KEY_NOTIFY);
   hklm_key_.Create(
       HKEY_LOCAL_MACHINE, kRegistryMozillaPlugins, KEY_NOTIFY);
   if (hkcu_key_.StartWatching()) {
     hkcu_event_.reset(new base::WaitableEvent(hkcu_key_.watch_event()));
     hkcu_watcher_.StartWatching(hkcu_event_.get(), this);
   }
@@ skipping 195 matching lines @@
   PrivatePluginMap::iterator it = private_plugins_.find(plugin_path);
   if (it == private_plugins_.end())
     return true;  // This plugin is not private, so it's allowed everywhere.
 
   // We do a dumb compare of scheme and host, rather than using the domain
   // service, since we only care about this for extensions.
   const GURL& required_url = it->second;
   return (url.scheme() == required_url.scheme() &&
           url.host() == required_url.host());
 }