Move all filters-related files from core/platform to platform.

Source/core/platform/graphics/filters/FEOffset.h

Index: Source/core/platform/graphics/filters/FEOffset.h
diff --git a/Source/core/platform/graphics/filters/FEOffset.h b/Source/core/platform/graphics/filters/FEOffset.h
deleted file mode 100644
index 09eae259704e389f4a38e719d3ea5de3de535d30..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/filters/FEOffset.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
- * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
- * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
- * Copyright (C) 2013 Google 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 FEOffset_h
-#define FEOffset_h
-
-#include "platform/graphics/filters/Filter.h"
-#include "platform/graphics/filters/FilterEffect.h"
-
-namespace WebCore {
-
-class FEOffset : public FilterEffect {
-public:
-    static PassRefPtr<FEOffset> create(Filter*, float dx, float dy);
-
-    float dx() const;
-    void setDx(float);
-
-    float dy() const;
-    void setDy(float);
-
-    virtual void determineAbsolutePaintRect();
-    virtual FloatRect mapRect(const FloatRect&, bool forward = true) OVERRIDE FINAL;
-
-    virtual TextStream& externalRepresentation(TextStream&, int indention) const;
-
-    virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*) OVERRIDE;
-
-private:
-    FEOffset(Filter*, float dx, float dy);
-
-    virtual void applySoftware() OVERRIDE;
-
-    float m_dx;
-    float m_dy;
-};
-
-} // namespace WebCore
-
-#endif // FEOffset_h