diff --git a/brightray/browser/browser_context.cc b/brightray/browser/browser_context.cc
index 9628dc6b3865..8a5e63e8c74f 100644
--- a/brightray/browser/browser_context.cc
+++ b/brightray/browser/browser_context.cc
@@ -7,7 +7,6 @@
 #include "browser/download_manager_delegate.h"
 #include "browser/inspectable_web_contents_impl.h"
 #include "browser/network_delegate.h"
-#include "browser/url_request_context_getter.h"
 #include "common/application_info.h"
 
 #include "base/environment.h"
@@ -25,6 +24,8 @@
 #include "base/nix/xdg_util.h"
 #endif
 
+using content::BrowserThread;
+
 namespace brightray {
 
 class BrowserContext::ResourceContext : public content::ResourceContext {
@@ -79,7 +80,7 @@ void BrowserContext::Initialize() {
   base::PrefServiceFactory prefs_factory;
   prefs_factory.SetUserPrefsFile(prefs_path,
       JsonPrefStore::GetTaskRunnerForFile(
-          prefs_path, content::BrowserThread::GetBlockingPool()));
+          prefs_path, BrowserThread::GetBlockingPool()));
 
   auto registry = make_scoped_refptr(new PrefRegistrySimple);
   RegisterInternalPrefs(registry);
@@ -89,9 +90,9 @@ void BrowserContext::Initialize() {
 }
 
 BrowserContext::~BrowserContext() {
-  content::BrowserThread::DeleteSoon(content::BrowserThread::IO,
-                                     FROM_HERE,
-                                     resource_context_.release());
+  BrowserThread::DeleteSoon(BrowserThread::IO,
+                            FROM_HERE,
+                            resource_context_.release());
 }
 
 void BrowserContext::RegisterInternalPrefs(PrefRegistrySimple* registry) {
@@ -102,15 +103,12 @@ net::URLRequestContextGetter* BrowserContext::CreateRequestContext(
     content::ProtocolHandlerMap* protocol_handlers,
     content::ProtocolHandlerScopedVector protocol_interceptors) {
   DCHECK(!url_request_getter_);
-  auto io_loop = content::BrowserThread::UnsafeGetMessageLoopForThread(
-      content::BrowserThread::IO);
-  auto file_loop = content::BrowserThread::UnsafeGetMessageLoopForThread(
-      content::BrowserThread::FILE);
   url_request_getter_ = new URLRequestContextGetter(
       GetPath(),
-      io_loop,
-      file_loop,
+      BrowserThread::UnsafeGetMessageLoopForThread(BrowserThread::IO),
+      BrowserThread::UnsafeGetMessageLoopForThread(BrowserThread::FILE),
       base::Bind(&BrowserContext::CreateNetworkDelegate, base::Unretained(this)),
+      base::Bind(&BrowserContext::CreateURLRequestJobFactory, base::Unretained(this)),
       protocol_handlers,
       protocol_interceptors.Pass());
   resource_context_->set_url_request_context_getter(url_request_getter_.get());
@@ -121,6 +119,12 @@ scoped_ptr<NetworkDelegate> BrowserContext::CreateNetworkDelegate() {
   return make_scoped_ptr(new NetworkDelegate).Pass();
 }
 
+scoped_ptr<net::URLRequestJobFactory> BrowserContext::CreateURLRequestJobFactory(
+    content::ProtocolHandlerMap* protocol_handlers,
+    content::ProtocolHandlerScopedVector* protocol_interceptors) {
+  return scoped_ptr<net::URLRequestJobFactory>();
+}
+
 base::FilePath BrowserContext::GetPath() const {
   return path_;
 }
diff --git a/brightray/browser/browser_context.h b/brightray/browser/browser_context.h
index e59c72ab92d7..486a9eda9036 100644
--- a/brightray/browser/browser_context.h
+++ b/brightray/browser/browser_context.h
@@ -5,6 +5,8 @@
 #ifndef BRIGHTRAY_BROWSER_BROWSER_CONTEXT_H_
 #define BRIGHTRAY_BROWSER_BROWSER_CONTEXT_H_
 
+#include "browser/url_request_context_getter.h"
+
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/content_browser_client.h"
 
@@ -15,7 +17,6 @@ namespace brightray {
 
 class DownloadManagerDelegate;
 class NetworkDelegate;
-class URLRequestContextGetter;
 
 class BrowserContext : public content::BrowserContext {
  public:
@@ -28,6 +29,10 @@ class BrowserContext : public content::BrowserContext {
       content::ProtocolHandlerMap* protocol_handlers,
       content::ProtocolHandlerScopedVector protocol_interceptors);
 
+  net::URLRequestContextGetter* url_request_context_getter() const {
+    return url_request_getter_.get();
+  }
+
   PrefService* prefs() { return prefs_.get(); }
 
  protected:
@@ -38,6 +43,12 @@ class BrowserContext : public content::BrowserContext {
   // implementation.
   virtual scoped_ptr<NetworkDelegate> CreateNetworkDelegate();
 
+  // Subclasses should override this to provide a custom URLRequestJobFactory
+  // implementation.
+  virtual scoped_ptr<net::URLRequestJobFactory> CreateURLRequestJobFactory(
+      content::ProtocolHandlerMap* protocol_handlers,
+      content::ProtocolHandlerScopedVector* protocol_interceptors);
+
   virtual base::FilePath GetPath() const OVERRIDE;
 
  private:
diff --git a/brightray/browser/url_request_context_getter.cc b/brightray/browser/url_request_context_getter.cc
index 578f5a3047ab..8c772c81dd92 100644
--- a/brightray/browser/url_request_context_getter.cc
+++ b/brightray/browser/url_request_context_getter.cc
@@ -36,6 +36,8 @@
 #include "net/url_request/url_request_job_factory_impl.h"
 #include "webkit/browser/quota/special_storage_policy.h"
 
+using content::BrowserThread;
+
 namespace brightray {
 
 URLRequestContextGetter::URLRequestContextGetter(
@@ -43,15 +45,17 @@ URLRequestContextGetter::URLRequestContextGetter(
     base::MessageLoop* io_loop,
     base::MessageLoop* file_loop,
     base::Callback<scoped_ptr<NetworkDelegate>(void)> network_delegate_factory,
+    URLRequestJobFactoryFactory job_factory_factory,
     content::ProtocolHandlerMap* protocol_handlers,
     content::ProtocolHandlerScopedVector protocol_interceptors)
     : base_path_(base_path),
       io_loop_(io_loop),
       file_loop_(file_loop),
       network_delegate_factory_(network_delegate_factory),
+      job_factory_factory_(job_factory_factory),
       protocol_interceptors_(protocol_interceptors.Pass()) {
   // Must first be created on the UI thread.
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   std::swap(protocol_handlers_, *protocol_handlers);
 
@@ -67,7 +71,7 @@ net::HostResolver* URLRequestContextGetter::host_resolver() {
 }
 
 net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 
   if (!url_request_context_.get()) {
     url_request_context_.reset(new net::URLRequestContext());
@@ -117,8 +121,7 @@ net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
             net::CACHE_BACKEND_DEFAULT,
             cache_path,
             0,
-            content::BrowserThread::GetMessageLoopProxyForThread(
-                content::BrowserThread::CACHE));
+            BrowserThread::GetMessageLoopProxyForThread(BrowserThread::CACHE));
 
     net::HttpNetworkSession::Params network_session_params;
     network_session_params.cert_verifier =
@@ -148,6 +151,14 @@ net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
         network_session_params, main_backend);
     storage_->set_http_transaction_factory(main_cache);
 
+    // Give user a chance to create their own job factory.
+    scoped_ptr<net::URLRequestJobFactory> user_job_factory(
+        job_factory_factory_.Run(&protocol_handlers_, &protocol_interceptors_));
+    if (user_job_factory) {
+      storage_->set_job_factory(user_job_factory.release());
+      return url_request_context_.get();
+    }
+
     scoped_ptr<net::URLRequestJobFactoryImpl> job_factory(
         new net::URLRequestJobFactoryImpl());
     for (auto it = protocol_handlers_.begin(),
@@ -163,7 +174,7 @@ net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
     job_factory->SetProtocolHandler(
         content::kFileScheme,
         new net::FileProtocolHandler(
-            content::BrowserThread::GetBlockingPool()->
+            BrowserThread::GetBlockingPool()->
                 GetTaskRunnerWithShutdownBehavior(
                     base::SequencedWorkerPool::SKIP_ON_SHUTDOWN)));
 
@@ -187,8 +198,7 @@ net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
 
 scoped_refptr<base::SingleThreadTaskRunner>
     URLRequestContextGetter::GetNetworkTaskRunner() const {
-  return content::BrowserThread::GetMessageLoopProxyForThread(
-      content::BrowserThread::IO);
+  return BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO);
 }
 
 }  // namespace brightray
diff --git a/brightray/browser/url_request_context_getter.h b/brightray/browser/url_request_context_getter.h
index ad09e2b409c6..716b7e00b75e 100644
--- a/brightray/browser/url_request_context_getter.h
+++ b/brightray/browser/url_request_context_getter.h
@@ -25,6 +25,10 @@ namespace brightray {
 
 class NetworkDelegate;
 
+typedef base::Callback<scoped_ptr<net::URLRequestJobFactory>(
+    content::ProtocolHandlerMap* protocol_handlers,
+    content::ProtocolHandlerScopedVector* protocol_interceptors)> URLRequestJobFactoryFactory;
+
 class URLRequestContextGetter : public net::URLRequestContextGetter {
  public:
   URLRequestContextGetter(
@@ -32,6 +36,7 @@ class URLRequestContextGetter : public net::URLRequestContextGetter {
       base::MessageLoop* io_loop,
       base::MessageLoop* file_loop,
       base::Callback<scoped_ptr<NetworkDelegate>(void)>,
+      URLRequestJobFactoryFactory job_factory_factory,
       content::ProtocolHandlerMap* protocol_handlers,
       content::ProtocolHandlerScopedVector protocol_interceptors);
   virtual ~URLRequestContextGetter();
@@ -48,6 +53,7 @@ class URLRequestContextGetter : public net::URLRequestContextGetter {
   base::MessageLoop* file_loop_;
 
   base::Callback<scoped_ptr<NetworkDelegate>(void)> network_delegate_factory_;
+  URLRequestJobFactoryFactory job_factory_factory_;
 
   scoped_ptr<net::ProxyConfigService> proxy_config_service_;
   scoped_ptr<NetworkDelegate> network_delegate_;