Don't stop the documentLoader on navigations.

Source/core/loader/DocumentLoader.cpp

Index: Source/core/loader/DocumentLoader.cpp
diff --git a/Source/core/loader/DocumentLoader.cpp b/Source/core/loader/DocumentLoader.cpp
index 4c2f53a150ae65b4282d22cd8b48ba45415ea68a..e9290c73e15bad6358f7b5c80af4699e5d44c61b 100644
--- a/Source/core/loader/DocumentLoader.cpp
+++ b/Source/core/loader/DocumentLoader.cpp
@@ -434,6 +434,8 @@ void DocumentLoader::responseReceived(Resource* resource, const ResourceResponse
     ASSERT_UNUSED(resource, m_mainResource == resource);
     RefPtr<DocumentLoader> protect(this);
 
+    frameLoader()->onResponseReceived();
+
     m_applicationCacheHost->didReceiveResponseForMainResource(response);
 
     // The memory cache doesn't understand the application cache or its caching rules. So if a main resource is served