Delete NetworkingContext and its subclasses.

Source/core/loader/EmptyClients.h

 /*
  * Copyright (C) 2006 Eric Seidel (eric@webkit.org)
  * Copyright (C) 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2012 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 258 matching lines @@
     virtual ObjectContentType objectContentType(const KURL&, const String&, bool) OVERRIDE { return ObjectContentType(); }
 
     virtual void redirectDataToPlugin(Widget*) OVERRIDE { }
     virtual void dispatchDidClearWindowObjectInWorld(DOMWrapperWorld*) OVERRIDE { }
     virtual void documentElementAvailable() OVERRIDE { }
 
     virtual void didCreateScriptContext(v8::Handle<v8::Context>, int extensionGroup, int worldId) OVERRIDE { }
     virtual void willReleaseScriptContext(v8::Handle<v8::Context>, int worldId) OVERRIDE { }
     virtual bool allowScriptExtension(const String& extensionName, int extensionGroup, int worldId) OVERRIDE { return false; }
 
-    virtual PassRefPtr<FrameNetworkingContext> createNetworkingContext() OVERRIDE;
+    virtual WebKit::WebCookieJar* cookieJar() const { return 0; }
 
     virtual void didRequestAutocomplete(PassRefPtr<FormState>) OVERRIDE;
 };
 
 class EmptyTextCheckerClient : public TextCheckerClient {
 public:
     virtual bool shouldEraseMarkersAfterChangeSelection(TextCheckingType) const OVERRIDE { return true; }
     virtual void checkSpellingOfString(const UChar*, int, int*, int*) OVERRIDE { }
     virtual String getAutoCorrectSuggestionForMisspelledWord(const String&) OVERRIDE { return String(); }
     virtual void checkGrammarOfString(const UChar*, int, Vector<GrammarDetail>&, int*, int*) OVERRIDE { }
@@ skipping 113 matching lines @@
     virtual int forwardListCount() OVERRIDE { return 0; }
     virtual bool isActive() OVERRIDE { return false; }
     virtual void close() OVERRIDE { }
 };
 
 void fillWithEmptyClients(Page::PageClients&);
 
 }
 
 #endif // EmptyClients_h