Update from https://crrev.com/320931

sky/engine/platform/graphics/GraphicsContextState.cpp

 // Copyright (c) 2014 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.
 
 #include "sky/engine/config.h"
 #include "sky/engine/platform/graphics/GraphicsContextState.h"
 
 #include "sky/engine/platform/graphics/skia/SkiaUtils.h"
 
 namespace blink {
 
 GraphicsContextState::GraphicsContextState()
     : m_fillColor(Color::black)
     , m_fillRule(RULE_NONZERO)
     , m_textDrawingMode(TextModeFill)
     , m_alpha(256)
     , m_compositeOperator(CompositeSourceOver)
     , m_blendMode(WebBlendModeNormal)
     , m_interpolationQuality(InterpolationDefault)
     , m_saveCount(0)
     , m_shouldAntialias(true)
     , m_shouldClampToSourceRect(true)
 {
     m_strokePaint.setStyle(SkPaint::kStroke_Style);
     m_strokePaint.setStrokeWidth(SkFloatToScalar(m_strokeData.thickness()));
     m_strokePaint.setColor(applyAlpha(m_strokeData.color().rgb()));
     m_strokePaint.setStrokeCap(SkPaint::kDefault_Cap);
     m_strokePaint.setStrokeJoin(SkPaint::kDefault_Join);
     m_strokePaint.setStrokeMiter(SkFloatToScalar(m_strokeData.miterLimit()));
-    m_strokePaint.setFilterLevel(WebCoreInterpolationQualityToSkFilterLevel(m_interpolationQuality));
+    m_strokePaint.setFilterQuality(WebCoreInterpolationQualityToSkFilterQuality(m_interpolationQuality));
     m_strokePaint.setAntiAlias(m_shouldAntialias);
     m_fillPaint.setColor(applyAlpha(m_fillColor.rgb()));
-    m_fillPaint.setFilterLevel(WebCoreInterpolationQualityToSkFilterLevel(m_interpolationQuality));
+    m_fillPaint.setFilterQuality(WebCoreInterpolationQualityToSkFilterQuality(m_interpolationQuality));
     m_fillPaint.setAntiAlias(m_shouldAntialias);
 }
 
 GraphicsContextState::GraphicsContextState(const GraphicsContextState& other)
     : m_strokePaint(other.m_strokePaint)
     , m_fillPaint(other.m_fillPaint)
     , m_strokeData(other.m_strokeData)
     , m_fillColor(other.m_fillColor)
     , m_fillRule(other.m_fillRule)
     , m_fillGradient(other.m_fillGradient)
@@ skipping 186 matching lines @@
     m_compositeOperator = compositeOperation;
     m_blendMode = blendMode;
     SkXfermode::Mode xferMode = WebCoreCompositeToSkiaComposite(compositeOperation, blendMode);
     m_strokePaint.setXfermodeMode(xferMode);
     m_fillPaint.setXfermodeMode(xferMode);
 }
 
 void GraphicsContextState::setInterpolationQuality(InterpolationQuality quality)
 {
     m_interpolationQuality = quality;
-    m_strokePaint.setFilterLevel(WebCoreInterpolationQualityToSkFilterLevel(quality));
-    m_fillPaint.setFilterLevel(WebCoreInterpolationQualityToSkFilterLevel(quality));
+    m_strokePaint.setFilterQuality(WebCoreInterpolationQualityToSkFilterQuality(quality));
+    m_fillPaint.setFilterQuality(WebCoreInterpolationQualityToSkFilterQuality(quality));
 }
 
 void GraphicsContextState::setShouldAntialias(bool shouldAntialias)
 {
     m_shouldAntialias = shouldAntialias;
     m_strokePaint.setAntiAlias(shouldAntialias);
     m_fillPaint.setAntiAlias(shouldAntialias);
 }
 
 
 } // namespace blink