Introduce NavigatorOnLine interface

Source/core/page/NavigatorBase.cpp

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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 #include "config.h"
 #include "core/page/NavigatorBase.h"
 
-#include "core/platform/network/NetworkStateNotifier.h"
 #include "wtf/CPU.h"
 #include "wtf/text/WTFString.h"
 
 #if OS(LINUX)
 #include "sys/utsname.h"
 #include "wtf/StdLibExtras.h"
 #endif
 
 #ifndef WEBCORE_NAVIGATOR_PLATFORM
 #if OS(DARWIN) && (CPU(PPC) || CPU(PPC64))
@@ skipping 73 matching lines @@
 String NavigatorBase::vendor() const
 {
     return WEBCORE_NAVIGATOR_VENDOR;
 }
 
 String NavigatorBase::vendorSub() const
 {
     return WEBCORE_NAVIGATOR_VENDOR_SUB;
 }
 
-bool NavigatorBase::onLine() const
-{
-    return networkStateNotifier().onLine();
-}
-
 } // namespace WebCore