Moving 4 SkImageFilter derived classes from blink to skia

include/effects/SkFloodImageFilter.h

+/*
+ * Copyright 2013 The Android Open Source Project
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkFloodImageFilter_DEFINED
+#define SkFloodImageFilter_DEFINED
+
+#include "SkImageFilter.h"
+#include "SkColor.h"
+
+class SkFloodImageFilter : public SkImageFilter {
+    typedef SkImageFilter INHERITED;
+
+public:
+    SkFloodImageFilter(const SkColor& color, const SkIRect* cropRect)
+        : INHERITED(0, 0, cropRect), fColor(color) {}
+
+    SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkFloodImageFilter)
+
+    SkFloodImageFilter(SkFlattenableReadBuffer& buffer);
+
+    virtual void flatten(SkFlattenableWriteBuffer& buffer) const SK_OVERRIDE;
+
+    virtual bool onFilterImage(Proxy* proxy, const SkBitmap& src, const SkMatrix& ctm,
+                               SkBitmap* result, SkIPoint* offset) SK_OVERRIDE;
+private:
+    SkColor fColor;
+};
+
+#endif