blink: Cleanup core class forward declarations

third_party/WebKit/Source/core/loader/PingLoader.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 33 matching lines @@
 #include <memory>
 
 namespace blink {
 
 class Blob;
 class DOMArrayBufferView;
 class EncodedFormData;
 class FormData;
 class LocalFrame;
 class KURL;
-class ResourceRequest;
-class SecurityOrigin;
 
 // Issue an asynchronous, one-directional request at some resources, ignoring
 // any response. The request is made independent of any LocalFrame staying
 // alive, and must only stay alive until the transmission has completed
 // successfully (or not -- errors are not propagated back either.) Upon
 // transmission, the the load is cancelled and the loader cancels itself.
 //
 // The ping loader is used by audit pings, beacon transmissions and image loads
 // during page unloading.
 class CORE_EXPORT PingLoader {
@@ skipping 21 matching lines @@
                          const KURL&,
                          DOMArrayBufferView*,
                          int&);
   static bool sendBeacon(LocalFrame*, int, const KURL&, Blob*, int&);
   static bool sendBeacon(LocalFrame*, int, const KURL&, FormData*, int&);
 };
 
 }  // namespace blink
 
 #endif  // PingLoader_h