Add image-rendering: pixelated.

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 0975129110640af255de539178cc3fcd2cf21e57..fd4c28b2bcdf59e8ba48761161d128293bff0ae1 100644
--- a/Source/core/rendering/ImageQualityController.cpp
+++ b/Source/core/rendering/ImageQualityController.cpp
@@ -62,6 +62,12 @@ void ImageQualityController::remove(RenderObject* renderer)
 
 InterpolationQuality ImageQualityController::chooseInterpolationQuality(GraphicsContext* context, RenderObject* object, Image* image, const void* layer, const LayoutSize& layoutSize)
 {
+    // FIXME: This ImageRenderingPixelated should only be InterpolationNone when
+    // upscaling. It should be the same as ImageRenderingAuto when downscaling.
+    // See crbug.com/386944.
+    if (object->style()->imageRendering() == ImageRenderingPixelated)
+        return InterpolationNone;
+
     if (InterpolationDefault == InterpolationLow)
         return InterpolationLow;