Removing the dependency on GraphicsContext for drawing images in 2D canvas

Source/platform/graphics/skia/SkiaUtils.cpp

Index: Source/platform/graphics/skia/SkiaUtils.cpp
diff --git a/Source/platform/graphics/skia/SkiaUtils.cpp b/Source/platform/graphics/skia/SkiaUtils.cpp
index 0abeb31c85df163d69304e29a81d8b3e93bd60a4..964257aa6afdc1330fba813662a3dc61a5967a81 100644
--- a/Source/platform/graphics/skia/SkiaUtils.cpp
+++ b/Source/platform/graphics/skia/SkiaUtils.cpp
@@ -330,36 +330,6 @@ InterpolationQuality computeInterpolationQuality(
     return InterpolationLow;
 }
 
-
-bool shouldDrawAntiAliased(const GraphicsContext* context, const SkRect& destRect)
-{
-    if (!context->shouldAntialias())
-        return false;
-    const SkMatrix totalMatrix = context->getTotalMatrix();
-    // Don't disable anti-aliasing if we're rotated or skewed.
-    if (!totalMatrix.rectStaysRect())
-        return true;
-    // Disable anti-aliasing for scales or n*90 degree rotations.
-    // Allow to opt out of the optimization though for "hairline" geometry
-    // images - using the shouldAntialiasHairlineImages() GraphicsContext flag.
-    if (!context->shouldAntialiasHairlineImages())
-        return false;
-    // Check if the dimensions of the destination are "small" (less than one
-    // device pixel). To prevent sudden drop-outs. Since we know that
-    // kRectStaysRect_Mask is set, the matrix either has scale and no skew or
-    // vice versa. We can query the kAffine_Mask flag to determine which case
-    // it is.
-    // FIXME: This queries the CTM while drawing, which is generally
-    // discouraged. Always drawing with AA can negatively impact performance
-    // though - that's why it's not always on.
-    SkScalar widthExpansion, heightExpansion;
-    if (totalMatrix.getType() & SkMatrix::kAffine_Mask)
-        widthExpansion = totalMatrix[SkMatrix::kMSkewY], heightExpansion = totalMatrix[SkMatrix::kMSkewX];
-    else
-        widthExpansion = totalMatrix[SkMatrix::kMScaleX], heightExpansion = totalMatrix[SkMatrix::kMScaleY];
-    return destRect.width() * fabs(widthExpansion) < 1 || destRect.height() * fabs(heightExpansion) < 1;
-}
-
 int clampedAlphaForBlending(float alpha)
 {
     if (alpha < 0)