Delete sky/engine/core/fetch

sky/engine/core/fetch/ImageResourceClient.h

-/*
-    Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
-    Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
-    Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
-    Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved.
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public License
-    along with this library; see the file COPYING.LIB.  If not, write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA 02110-1301, USA.
-*/
-
-#ifndef SKY_ENGINE_CORE_FETCH_IMAGERESOURCECLIENT_H_
-#define SKY_ENGINE_CORE_FETCH_IMAGERESOURCECLIENT_H_
-
-#include "sky/engine/core/fetch/ResourceClient.h"
-
-namespace blink {
-
-class ImageResource;
-class IntRect;
-
-class ImageResourceClient : public ResourceClient {
-public:
-    virtual ~ImageResourceClient() { }
-    static ResourceClientType expectedType() { return ImageType; }
-    virtual ResourceClientType resourceClientType() const override final { return expectedType(); }
-
-    // Called whenever a frame of an image changes, either because we got more data from the network or
-    // because we are animating. If not null, the IntRect is the changed rect of the image.
-    virtual void imageChanged(ImageResource*, const IntRect* = 0) { }
-};
-
-}
-
-#endif  // SKY_ENGINE_CORE_FETCH_IMAGERESOURCECLIENT_H_