Adds navigator.registerProtocolHandler.

chrome/browser/net/chrome_url_request_context.cc

Index: chrome/browser/net/chrome_url_request_context.cc
diff --git a/chrome/browser/net/chrome_url_request_context.cc b/chrome/browser/net/chrome_url_request_context.cc
index e42ae2de48a8a40453b2cb66724ff9bd61b15a9a..08b587e4ed4d7c98e9327d9e1ecf6beeb85d743c 100644
--- a/chrome/browser/net/chrome_url_request_context.cc
+++ b/chrome/browser/net/chrome_url_request_context.cc
@@ -843,6 +843,7 @@ ChromeURLRequestContextFactory::ChromeURLRequestContextFactory(Profile* profile)
   extension_info_map_ = profile->GetExtensionInfoMap();
   extension_io_event_router_ = profile->GetExtensionIOEventRouter();
   prerender_manager_ = profile->GetPrerenderManager();
+  protocol_handler_registry_ = profile->GetProtocolHandlerRegistry();
 }
 
 ChromeURLRequestContextFactory::~ChromeURLRequestContextFactory() {
@@ -870,4 +871,5 @@ void ChromeURLRequestContextFactory::ApplyProfileParametersToContext(
   context->set_extension_info_map(extension_info_map_);
   context->set_extension_io_event_router(extension_io_event_router_);
   context->set_prerender_manager(prerender_manager_);
+  context->set_protocol_handler_registry(protocol_handler_registry_);
 }