Replace FINAL and OVERRIDE with their C++11 counterparts in Source/core/loader

Source/core/loader/BeaconLoader.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BeaconLoader_h
 #define BeaconLoader_h
 
 #include "core/loader/PingLoader.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 
 namespace WTF {
 class ArrayBufferView;
 }
 
 namespace blink {
 
 class Blob;
 class DOMFormData;
 class KURL;
 class LocalFrame;
 
 // Issue asynchronous beacon transmission loads independent of LocalFrame
 // staying alive. PingLoader providing the service.
-class BeaconLoader FINAL : public PingLoader {
+class BeaconLoader final : public PingLoader {
     WTF_MAKE_NONCOPYABLE(BeaconLoader);
     WTF_MAKE_FAST_ALLOCATED;
 public:
     virtual ~BeaconLoader() { }
 
     static bool sendBeacon(LocalFrame*, int, const KURL&, const String&, int&);
     static bool sendBeacon(LocalFrame*, int, const KURL&, PassRefPtr<WTF::ArrayBufferView>&, int&);
     static bool sendBeacon(LocalFrame*, int, const KURL&, Blob*, int&);
     static bool sendBeacon(LocalFrame*, int, const KURL&, PassRefPtrWillBeRawPtr<DOMFormData>&, int&);
 
 private:
     static void prepareRequest(LocalFrame*, ResourceRequest&);
     static void issueRequest(LocalFrame*, ResourceRequest&);
 };
 
 } // namespace blink
 
 #endif // BeaconLoader_h