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

chrome/browser/browser_process_impl.cc

Index: chrome/browser/browser_process_impl.cc
diff --git a/chrome/browser/browser_process_impl.cc b/chrome/browser/browser_process_impl.cc
index b093cb410c3b2016ca15273e5b3da6f9b6b8b8fd..d378808007c9317d44fe5d669050d02c8f99ff5d 100644
--- a/chrome/browser/browser_process_impl.cc
+++ b/chrome/browser/browser_process_impl.cc
@@ -221,6 +221,7 @@ BrowserProcessImpl::BrowserProcessImpl(
 
   omaha_query_params::OmahaQueryParams::SetDelegate(
       ChromeOmahaQueryParamsDelegate::GetInstance());
+
 }
 
 BrowserProcessImpl::~BrowserProcessImpl() {
@@ -975,6 +976,9 @@ void BrowserProcessImpl::CreateLocalState() {
                                      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(
@@ -997,6 +1001,16 @@ void BrowserProcessImpl::CreateLocalState() {
       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() {
@@ -1226,4 +1240,9 @@ void BrowserProcessImpl::OnAutoupdateTimer() {
   }
 }
 
+void BrowserProcessImpl::OnLanguagesChange() {
+  DLOG(WARNING) << "-----------Browser languages changed---------------";
+  VLOG(1) << "-----------Browser languages changed---------------";
+}
+
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)