diff --git a/cef1/libcef/browser_request_context.cc b/cef1/libcef/browser_request_context.cc
index fcabe0ee9..619585d60 100644
--- a/cef1/libcef/browser_request_context.cc
+++ b/cef1/libcef/browser_request_context.cc
@@ -45,6 +45,7 @@
 #include "webkit/user_agent/user_agent.h"
 
 #if defined(OS_WIN)
+#include "net/proxy/proxy_config_service_win.h"
 #pragma comment(lib, "winhttp.lib")
 #endif
 
@@ -181,6 +182,10 @@ void BrowserRequestContext::Init(
   if (app.get()) {
     CefRefPtr<CefProxyHandler> handler = app->GetProxyHandler();
     if (handler) {
+#if defined(OS_WIN)
+      // Force auto-detect so the client resolver will be called.
+      net::ProxyConfigServiceWin::set_force_auto_detect(true);
+#endif
       // The client will provide proxy resolution.
       storage_.set_proxy_service(
           new net::ProxyService(CreateProxyConfigService(),
diff --git a/cef1/patch/patch.cfg b/cef1/patch/patch.cfg
index 9da3c2511..7fba005c6 100644
--- a/cef1/patch/patch.cfg
+++ b/cef1/patch/patch.cfg
@@ -26,6 +26,11 @@ patches = [
     'name': 'npapi_911',
     'path': '../webkit/plugins/npapi/',
   },
+  {
+    # http://code.google.com/p/chromiumembedded/issues/detail?id=918
+    'name': 'proxy_config_win_918',
+    'path': '../net/proxy/',
+  },
   {
     # http://code.google.com/p/chromiumembedded/issues/detail?id=364
     'name': 'spi_webcore_364',
diff --git a/cef1/patch/patches/proxy_config_win_918.patch b/cef1/patch/patches/proxy_config_win_918.patch
new file mode 100644
index 000000000..16428e72b
--- /dev/null
+++ b/cef1/patch/patches/proxy_config_win_918.patch
@@ -0,0 +1,44 @@
+Index: proxy_config_service_win.cc
+===================================================================
+--- proxy_config_service_win.cc	(revision 187217)
++++ proxy_config_service_win.cc	(working copy)
+@@ -36,6 +36,8 @@
+ 
+ }  // namespace
+ 
++bool ProxyConfigServiceWin::force_auto_detect_ = false;
++
+ // RegKey and ObjectWatcher pair.
+ class ProxyConfigServiceWin::KeyEntry {
+  public:
+@@ -170,7 +172,7 @@
+ void ProxyConfigServiceWin::SetFromIEConfig(
+     ProxyConfig* config,
+     const WINHTTP_CURRENT_USER_IE_PROXY_CONFIG& ie_config) {
+-  if (ie_config.fAutoDetect)
++  if (ie_config.fAutoDetect || force_auto_detect_)
+     config->set_auto_detect(true);
+   if (ie_config.lpszProxy) {
+     // lpszProxy may be a single proxy, or a proxy per scheme. The format
+Index: proxy_config_service_win.h
+===================================================================
+--- proxy_config_service_win.h	(revision 187217)
++++ proxy_config_service_win.h	(working copy)
+@@ -49,6 +49,8 @@
+   // Overrides a function from PollingProxyConfigService.
+   virtual void AddObserver(Observer* observer) OVERRIDE;
+ 
++  static void set_force_auto_detect(bool val) { force_auto_detect_ = val; }
++
+  private:
+   FRIEND_TEST_ALL_PREFIXES(ProxyConfigServiceWinTest, SetFromIEConfig);
+   class KeyEntry;
+@@ -73,6 +75,8 @@
+       const WINHTTP_CURRENT_USER_IE_PROXY_CONFIG& ie_config);
+ 
+   KeyEntryList keys_to_watch_;
++
++  static bool force_auto_detect_;
+ };
+ 
+ }  // namespace net