Change filter quality when scaling-down in drawImage

third_party/WebKit/Source/platform/graphics/GradientGeneratedImage.cpp

Index: third_party/WebKit/Source/platform/graphics/GradientGeneratedImage.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/GradientGeneratedImage.cpp b/third_party/WebKit/Source/platform/graphics/GradientGeneratedImage.cpp
index 8cd5c8c4f16f6ccc7b3951eb34c3c55f0a986c51..7aa2382a06e2f04b945e8d991bcdaec41c10ddd8 100644
--- a/third_party/WebKit/Source/platform/graphics/GradientGeneratedImage.cpp
+++ b/third_party/WebKit/Source/platform/graphics/GradientGeneratedImage.cpp
@@ -32,7 +32,7 @@
 namespace blink {
 
 void GradientGeneratedImage::draw(SkCanvas* canvas, const SkPaint& paint, const FloatRect& destRect,
-    const FloatRect& srcRect, RespectImageOrientationEnum, ImageClampingMode)
+    const FloatRect& srcRect, bool imageSmoothingEnabled, RespectImageOrientationEnum, ImageClampingMode)
 {
     SkRect visibleSrcRect = srcRect;
     if (!visibleSrcRect.intersect(SkRect::MakeIWH(m_size.width(), m_size.height())))
@@ -44,6 +44,10 @@ void GradientGeneratedImage::draw(SkCanvas* canvas, const SkPaint& paint, const
 
     SkPaint gradientPaint(paint);
     m_gradient->applyToPaint(gradientPaint, transform);
+
+    if (!imageSmoothingEnabled && Image::isDrawScalingDown(visibleSrcRect, visibleDestRect))
+        gradientPaint.setFilterQuality(kLow_SkFilterQuality);
+
     canvas->drawRect(visibleDestRect, gradientPaint);
 }