Make image-rendering:pixelated use nearest neighbor when downscaling.

Source/core/rendering/ImageQualityController.cpp

Index: Source/core/rendering/ImageQualityController.cpp
diff --git a/Source/core/rendering/ImageQualityController.cpp b/Source/core/rendering/ImageQualityController.cpp
index 9788f8e49cf8b05742e735773b4dd6fde7cd7159..4676ea7a6732daa3137f9c0ca88f834c7042b3cf 100644
--- a/Source/core/rendering/ImageQualityController.cpp
+++ b/Source/core/rendering/ImageQualityController.cpp
@@ -67,11 +67,8 @@ bool ImageQualityController::has(RenderObject* renderer)
 
 InterpolationQuality ImageQualityController::chooseInterpolationQuality(GraphicsContext* context, RenderObject* object, Image* image, const void* layer, const LayoutSize& layoutSize)
 {
-    if (object->style()->imageRendering() == ImageRenderingPixelated
-        && image
-        && (layoutSize.width() > image->width() || layoutSize.height() > image->height() || layoutSize == image->size())) {
+    if (object->style()->imageRendering() == ImageRenderingPixelated)
         return InterpolationNone;
-    }
 
     if (InterpolationDefault == InterpolationLow)
         return InterpolationLow;