Localize CSS files in content scripts (but don't localize JS files)....

chrome/renderer/render_thread.cc

Index: chrome/renderer/render_thread.cc
===================================================================
--- chrome/renderer/render_thread.cc	(revision 43656)
+++ chrome/renderer/render_thread.cc	(working copy)
@@ -227,7 +227,7 @@
   task_factory_.reset(new ScopedRunnableMethodFactory<RenderThread>(this));
 
   visited_link_slave_.reset(new VisitedLinkSlave());
-  user_script_slave_.reset(new UserScriptSlave());
+  user_script_slave_.reset(new UserScriptSlave(this));
   dns_master_.reset(new RenderDnsMaster());
   histogram_snapshots_.reset(new RendererHistogramSnapshots());
   appcache_dispatcher_.reset(new AppCacheDispatcher(this));
@@ -463,7 +463,7 @@
 
 void RenderThread::OnUpdateUserScripts(base::SharedMemoryHandle scripts) {
   DCHECK(base::SharedMemory::IsHandleValid(scripts)) << "Bad scripts handle";
-  user_script_slave_->UpdateScripts(scripts);
+  user_script_slave_->UpdateScripts(scripts, is_incognito_process());
   UpdateActiveExtensions();
 }