Remove the last prefs code from content. I tried hard to move ShouldShowBookmarkBar out of TabCo...

content/browser/content_browser_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 "content/browser/content_browser_client.h"
 
 #include "base/memory/singleton.h"
 #include "content/browser/webui/empty_web_ui_factory.h"
 #include "googleurl/src/gurl.h"
 
@@ skipping 32 matching lines @@
 }
 
 void ContentBrowserClient::AppendExtraCommandLineSwitches(
     CommandLine* command_line, int child_process_id) {
 }
 
 std::string ContentBrowserClient::GetApplicationLocale() {
   return std::string();
 }
 
+std::string ContentBrowserClient::GetAcceptLangs(const TabContents* tab) {
+  return std::string();
+}
+
 bool ContentBrowserClient::AllowAppCache(
     const GURL& manifest_url, const content::ResourceContext& context) {
   return true;
 }
 
 bool ContentBrowserClient::AllowGetCookie(
     const GURL& url,
     const GURL& first_party,
     const net::CookieList& cookie_list,
     const content::ResourceContext& context,
@@ skipping 13 matching lines @@
   return true;
 }
 
 #if defined(OS_LINUX)
 int ContentBrowserClient::GetCrashSignalFD(const std::string& process_type) {
   return -1;
 }
 #endif
 
 }  // namespace content