Moving GraphicsContext and dependencies from core to platform.

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

Index: Source/core/platform/graphics/filters/FEGaussianBlur.h
diff --git a/Source/core/platform/graphics/filters/FEGaussianBlur.h b/Source/core/platform/graphics/filters/FEGaussianBlur.h
deleted file mode 100644
index ed26fe87bc5f19bed55f084bd0c6d330c648f3ce..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/filters/FEGaussianBlur.h
+++ /dev/null
@@ -1,113 +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 FEGaussianBlur_h
-#define FEGaussianBlur_h
-
-#include "core/platform/graphics/filters/Filter.h"
-#include "core/platform/graphics/filters/FilterEffect.h"
-
-namespace WebCore {
-
-class FEGaussianBlur : public FilterEffect {
-public:
-    static PassRefPtr<FEGaussianBlur> create(Filter*, float, float);
-
-    float stdDeviationX() const;
-    void setStdDeviationX(float);
-
-    float stdDeviationY() const;
-    void setStdDeviationY(float);
-
-    static float calculateStdDeviation(float);
-
-    virtual void determineAbsolutePaintRect();
-    virtual FloatRect mapRect(const FloatRect&, bool forward = true) OVERRIDE FINAL;
-    static void calculateKernelSize(Filter*, unsigned& kernelSizeX, unsigned& kernelSizeY, float stdX, float stdY);
-    static void calculateUnscaledKernelSize(unsigned& kernelSizeX, unsigned& kernelSizeY, float stdX, float stdY);
-
-    virtual TextStream& externalRepresentation(TextStream&, int indention) const;
-
-private:
-    static const int s_minimalRectDimension = 100 * 100; // Empirical data limit for parallel jobs
-
-    template<typename Type>
-    friend class ParallelJobs;
-
-    struct PlatformApplyParameters {
-        FEGaussianBlur* filter;
-        RefPtr<Uint8ClampedArray> srcPixelArray;
-        RefPtr<Uint8ClampedArray> dstPixelArray;
-        int width;
-        int height;
-        unsigned kernelSizeX;
-        unsigned kernelSizeY;
-    };
-
-    static void platformApplyWorker(PlatformApplyParameters*);
-
-    FEGaussianBlur(Filter*, float, float);
-
-    virtual void applySoftware() OVERRIDE;
-    virtual bool applySkia() OVERRIDE;
-
-    static inline void kernelPosition(int boxBlur, unsigned& std, int& dLeft, int& dRight);
-    inline void platformApply(Uint8ClampedArray* srcPixelArray, Uint8ClampedArray* tmpPixelArray, unsigned kernelSizeX, unsigned kernelSizeY, IntSize& paintSize);
-
-    inline void platformApplyGeneric(Uint8ClampedArray* srcPixelArray, Uint8ClampedArray* tmpPixelArray, unsigned kernelSizeX, unsigned kernelSizeY, IntSize& paintSize);
-    virtual PassRefPtr<SkImageFilter> createImageFilter(SkiaImageFilterBuilder*) OVERRIDE;
-
-    float m_stdX;
-    float m_stdY;
-};
-
-inline void FEGaussianBlur::kernelPosition(int boxBlur, unsigned& std, int& dLeft, int& dRight)
-{
-    // check http://www.w3.org/TR/SVG/filters.html#feGaussianBlurElement for details
-    switch (boxBlur) {
-    case 0:
-        if (!(std % 2)) {
-            dLeft = std / 2 - 1;
-            dRight = std - dLeft;
-        } else {
-            dLeft = std / 2;
-            dRight = std - dLeft;
-        }
-        break;
-    case 1:
-        if (!(std % 2)) {
-            dLeft++;
-            dRight--;
-        }
-        break;
-    case 2:
-        if (!(std % 2)) {
-            dRight++;
-            std++;
-        }
-        break;
-    }
-}
-
-} // namespace WebCore
-
-#endif // FEGaussianBlur_h