[WIP]Implement Chromium side changes for navigator.language(s) support for workers.

chrome/browser/browser_process_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/browser/browser_process_impl.h"
 
 #include <algorithm>
 #include <map>
 #include <vector>
 
@@ skipping 203 matching lines @@
 
   extensions_browser_client_.reset(
       new extensions::ChromeExtensionsBrowserClient);
   extensions::ExtensionsBrowserClient::Set(extensions_browser_client_.get());
 #endif
 
   message_center::MessageCenter::Initialize();
 
   omaha_query_params::OmahaQueryParams::SetDelegate(
       ChromeOmahaQueryParamsDelegate::GetInstance());
+
 }
 
 BrowserProcessImpl::~BrowserProcessImpl() {
   tracked_objects::ThreadData::EnsureCleanupWasCalled(4);
 
   g_browser_process = NULL;
 }
 
 void BrowserProcessImpl::StartTearDown() {
     TRACE_EVENT0("shutdown", "BrowserProcessImpl::StartTearDown");
@@ skipping 734 matching lines @@
   chrome::RegisterLocalState(pref_registry.get());
 
   local_state_ =
       chrome_prefs::CreateLocalState(local_state_path,
                                      local_state_task_runner_.get(),
                                      policy_service(),
                                      pref_registry,
                                      false).Pass();
 
   pref_change_registrar_.Init(local_state_.get());
+  local_pref_change_registrar_.Init(profile_manager()
+    ->GetLastUsedProfileAllowedByPolicy()->GetPrefs());
+
 
   // Initialize the notification for the default browser setting policy.
   pref_change_registrar_.Add(
       prefs::kDefaultBrowserSettingEnabled,
       base::Bind(&BrowserProcessImpl::ApplyDefaultBrowserPolicy,
                  base::Unretained(this)));
 
   // This preference must be kept in sync with external values; update them
   // whenever the preference or its controlling policy changes.
 #if !defined(OS_CHROMEOS) && !defined(OS_ANDROID) && !defined(OS_IOS)
   pref_change_registrar_.Add(
       prefs::kMetricsReportingEnabled,
       base::Bind(&BrowserProcessImpl::ApplyMetricsReportingPolicy,
                  base::Unretained(this)));
 #endif
 
   int max_per_proxy = local_state_->GetInteger(prefs::kMaxConnectionsPerProxy);
   net::ClientSocketPoolManager::set_max_sockets_per_proxy_server(
       net::HttpNetworkSession::NORMAL_SOCKET_POOL,
       std::max(std::min(max_per_proxy, 99),
                net::ClientSocketPoolManager::max_sockets_per_group(
                    net::HttpNetworkSession::NORMAL_SOCKET_POOL)));
+
+  // Monitor language preferences change.
+  local_pref_change_registrar_.Add(prefs::kAcceptLanguages,
+      base::Bind(&BrowserProcessImpl::OnLanguagesChange,
+                 base::Unretained(this)));
+  local_pref_change_registrar_.Add(prefs::kApplicationLocale,
+      base::Bind(&BrowserProcessImpl::OnLanguagesChange,
+                 base::Unretained(this)));
+
+
 }
 
 void BrowserProcessImpl::PreCreateThreads() {
   io_thread_.reset(
       new IOThread(local_state(), policy_service(), net_log_.get(),
                    extension_event_router_forwarder()));
 }
 
 void BrowserProcessImpl::PreMainMessageLoopRun() {
 #if defined(ENABLE_CONFIGURATION_POLICY)
@@ skipping 209 matching lines @@
   upgrade_util::SetNewCommandLine(new_cl.release());
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartBackgroundInstance();
   }
 }
 
+void BrowserProcessImpl::OnLanguagesChange() {
+  DLOG(WARNING) << "-----------Browser languages changed---------------";
+  VLOG(1) << "-----------Browser languages changed---------------";
+}
+
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)