[poc] curve-filter

third_party/WebKit/Source/platform/graphics/ColorSpaceFilterCache.h

Index: third_party/WebKit/Source/platform/graphics/ColorSpaceFilterCache.h
diff --git a/third_party/WebKit/Source/platform/graphics/ColorSpaceFilterCache.h b/third_party/WebKit/Source/platform/graphics/ColorSpaceFilterCache.h
new file mode 100644
index 0000000000000000000000000000000000000000..4cedaee3323f02cc28323aa665539869dbd01dfc
--- /dev/null
+++ b/third_party/WebKit/Source/platform/graphics/ColorSpaceFilterCache.h
@@ -0,0 +1,23 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef ColorSpaceFilterCache_h
+#define ColorSpaceFilterCache_h
+
+#include "platform/PlatformExport.h"
+#include "wtf/PassRefPtr.h"
+
+class SkColorFilter;
+
+namespace blink {
+
+class ColorSpaceProfile;
+
+PLATFORM_EXPORT PassRefPtr<SkColorFilter> findColorTransform(ColorSpaceProfile* source, ColorSpaceProfile* target);
+PLATFORM_EXPORT void cacheColorTransform(ColorSpaceProfile* source, ColorSpaceProfile* target, SkColorFilter*);
+PLATFORM_EXPORT void pruneColorTransform(ColorSpaceProfile* target);
+
+} // namespace blink
+
+#endif // ColorSpaceFilterCache_h