diff --git a/libcef/cef_process_ui_thread.cc b/libcef/cef_process_ui_thread.cc
index c213b48aa..ce4ef553e 100644
--- a/libcef/cef_process_ui_thread.cc
+++ b/libcef/cef_process_ui_thread.cc
@@ -16,6 +16,7 @@
 #include "build/build_config.h"
 #include "net/base/net_module.h"
 #include "net/url_request/url_request.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebNetworkStateNotifier.h"
 #include "ui/gfx/gl/gl_implementation.h"
 #include "webkit/blob/blob_storage_controller.h"
 #include "webkit/blob/blob_url_request_job.h"
@@ -175,6 +176,16 @@ void CefProcessUIThread::Init() {
       webkit::npapi::PluginList::Singleton()->AddExtraPluginPath(path);
     }
   }
+
+  // Create a network change notifier before starting the IO & File threads.
+  network_change_notifier_.reset(net::NetworkChangeNotifier::Create());
+
+  // Add a listener for OnOnlineStateChanged to notify WebKit of changes.
+  net::NetworkChangeNotifier::AddOnlineStateObserver(this);
+
+  // Initialize WebKit with the current state.
+  WebKit::WebNetworkStateNotifier::setOnLine(
+      !net::NetworkChangeNotifier::IsOffline());
 }
 
 void CefProcessUIThread::CleanUp() {
@@ -195,5 +206,15 @@ void CefProcessUIThread::CleanUp() {
   delete webkit_init_;
   webkit_init_ = NULL;
 
+  // Release the network change notifier after all other threads end.
+  net::NetworkChangeNotifier::RemoveOnlineStateObserver(this);
+  network_change_notifier_.reset();
+
   PlatformCleanUp();
 }
+
+void CefProcessUIThread::OnOnlineStateChanged(bool online) {
+  DCHECK(CefThread::CurrentlyOn(CefThread::UI));
+  WebKit::WebNetworkStateNotifier::setOnLine(online);
+}
+
diff --git a/libcef/cef_process_ui_thread.h b/libcef/cef_process_ui_thread.h
index 9703267af..c6e64fd37 100644
--- a/libcef/cef_process_ui_thread.h
+++ b/libcef/cef_process_ui_thread.h
@@ -7,7 +7,9 @@
 #define _CEF_PROCESS_UI_THREAD
 
 #include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
 #include "cef_thread.h"
+#include "net/base/network_change_notifier.h"
 
 class BrowserWebKitInit;
 namespace base {
@@ -23,7 +25,10 @@ class StatsTable;
 // Applications must initialize the COM library before they can call
 // COM library functions other than CoGetMalloc and memory allocation
 // functions, so this class initializes COM for those users.
-class CefProcessUIThread : public CefThread {
+class CefProcessUIThread
+    : public net::NetworkChangeNotifier::OnlineStateObserver,
+      public CefThread
+{
  public:
   explicit CefProcessUIThread();
   CefProcessUIThread(MessageLoop* message_loop);
@@ -36,11 +41,16 @@ class CefProcessUIThread : public CefThread {
   void PlatformInit();
   void PlatformCleanUp();
 
+  // From net::NetworkChangeNotifier::OnlineStateObserver
+  void OnOnlineStateChanged(bool online);
+
   base::StatsTable* statstable_;
 
   // WebKit implementation class.
   BrowserWebKitInit* webkit_init_;
 
+  scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
+
   DISALLOW_COPY_AND_ASSIGN(CefProcessUIThread);
 };