Remove SK_SUPPORT_LEGACY_HQ_DOWNSAMPLING

third_party/WebKit/LayoutTests/fast/canvas/canvas-imageSmoothingQuality.html

Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-imageSmoothingQuality.html
diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-imageSmoothingQuality.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-imageSmoothingQuality.html
index c02d6e55f0b35bafa586b7078c1664d77907244e..6e5226570b195d14d593a8a813d49a867f75c0f4 100644
--- a/third_party/WebKit/LayoutTests/fast/canvas/canvas-imageSmoothingQuality.html
+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-imageSmoothingQuality.html
@@ -80,13 +80,15 @@ var noFilterData = scaleImageData(lowCanvas, lowCanvas.imageSmoothingQuality);
 
 debug("");
 shouldNotBe("lowData", "mediumData");
-shouldNotBe("mediumData", "highData");
+// Skia uses mipmaps when downscaling, for both high and medium quality
+shouldBe("mediumData", "highData");
 shouldNotBe("lowData", "highData");
 
 debug("");
 shouldBeGreaterThan("sampleAlpha(noFilterData)", "sampleAlpha(lowData)");
 shouldBeGreaterThan("sampleAlpha(lowData)", "sampleAlpha(mediumData)");
-shouldBeGreaterThan("sampleAlpha(mediumData)", "sampleAlpha(highData)");
+// Skia uses mipmaps when downscaling, for both high and medium quality
+shouldBe("sampleAlpha(mediumData)", "sampleAlpha(highData)");
 
 
 debug("\n\nOn setting, it must be set to the new value.");