Refactor deprecated Skia calls.

Source/platform/graphics/skia/SkiaUtils.h

 /*
  * Copyright (c) 2006,2007,2008, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 // All of the functions in this file should move to new homes and this file should be deleted.
 
 #ifndef SkiaUtils_h
 #define SkiaUtils_h
 
 #include "SkMatrix.h"
+#include "SkPaint.h"
 #include "SkPath.h"
 #include "SkXfermode.h"
 #include "platform/PlatformExport.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "platform/transforms/AffineTransform.h"
 #include "wtf/MathExtras.h"
 #include "wtf/PassRefPtr.h"
 
 class SkCanvas;
 class SkRegion;
 
 namespace WebCore {
 
 class GraphicsContext;
 
 PassRefPtr<SkXfermode> WebCoreCompositeToSkiaComposite(CompositeOperator, blink::WebBlendMode = blink::WebBlendModeNormal);
 
 // move this guy into SkColor.h
 SkColor SkPMColorToColor(SkPMColor);
 
+inline SkPaint::FilterLevel WebCoreInterpolationQualityToSkFilterLevel(InterpolationQuality quality)
+{
+    // FIXME: this reflects existing client mappings, but should probably
+    // be expanded to map higher level interpolations more accurately.
+    return quality != InterpolationNone ? SkPaint::kLow_FilterLevel : SkPaint::kNone_FilterLevel;
+}
+
 // Skia has problems when passed infinite, etc floats, filter them to 0.
 inline SkScalar WebCoreFloatToSkScalar(float f)
 {
     return SkFloatToScalar(std::isfinite(f) ? f : 0);
 }
 
 inline SkScalar WebCoreDoubleToSkScalar(double d)
 {
     return SkDoubleToScalar(std::isfinite(d) ? d : 0);
 }
@@ skipping 10 matching lines @@
 }
 
 // Determine if a given WebKit point is contained in a path
 bool PLATFORM_EXPORT SkPathContainsPoint(const SkPath&, const FloatPoint&, SkPath::FillType);
 
 SkMatrix PLATFORM_EXPORT affineTransformToSkMatrix(const AffineTransform&);
 
 }  // namespace WebCore
 
 #endif  // SkiaUtils_h