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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef BeaconLoader_h
      6 #define BeaconLoader_h
      7 
      8 #include "core/loader/PingLoader.h"
      9 #include "platform/heap/Handle.h"
     10 #include "wtf/Noncopyable.h"
     11 
     12 namespace WTF {
     13 class ArrayBufferView;
     14 }
     15 
     16 namespace blink {
     17 
     18 class Blob;
     19 class DOMFormData;
     20 class KURL;
     21 class LocalFrame;
     22 
     23 // Issue asynchronous beacon transmission loads independent of LocalFrame
     24 // staying alive. PingLoader providing the service.
     25 class BeaconLoader FINAL : public PingLoader {
     26     WTF_MAKE_NONCOPYABLE(BeaconLoader);
     27     WTF_MAKE_FAST_ALLOCATED;
     28 public:
     29     virtual ~BeaconLoader() { }
     30 
     31     static bool sendBeacon(LocalFrame*, int, const KURL&, const String&, int&);
     32     static bool sendBeacon(LocalFrame*, int, const KURL&, PassRefPtr<WTF::ArrayBufferView>&, int&);
     33     static bool sendBeacon(LocalFrame*, int, const KURL&, PassRefPtrWillBeRawPtr<Blob>&, int&);
     34     static bool sendBeacon(LocalFrame*, int, const KURL&, PassRefPtrWillBeRawPtr<DOMFormData>&, int&);
     35 
     36 private:
     37     static void prepareRequest(LocalFrame*, ResourceRequest&);
     38     static void issueRequest(LocalFrame*, ResourceRequest&);
     39 };
     40 
     41 } // namespace blink
     42 
     43 #endif // BeaconLoader_h
     44