Implement InterpolationMedium to filter animated images

Source/core/rendering/RenderImage.cpp

Index: Source/core/rendering/RenderImage.cpp
diff --git a/Source/core/rendering/RenderImage.cpp b/Source/core/rendering/RenderImage.cpp
index b25a987e72c14942a52b3912f2bf215e6ea33f15..d97dfe00f0a71b0090fddb3ab78bc8f4cd8f9774 100644
--- a/Source/core/rendering/RenderImage.cpp
+++ b/Source/core/rendering/RenderImage.cpp
@@ -467,10 +467,13 @@ void RenderImage::paintIntoRect(GraphicsContext* context, const LayoutRect& rect
     HTMLImageElement* imageElt = (node() && node()->hasTagName(imgTag)) ? toHTMLImageElement(node()) : 0;
     CompositeOperator compositeOperator = imageElt ? imageElt->compositeOperator() : CompositeSourceOver;
     Image* image = m_imageResource->image().get();
-    bool useLowQualityScaling = shouldPaintAtLowQuality(context, image, image, alignedRect.size());
+    InterpolationQuality interpolationQuality = chooseInterpolationQuality(context, image, image, alignedRect.size());
 
     InspectorInstrumentation::willPaintImage(this);
-    context->drawImage(m_imageResource->image(alignedRect.width(), alignedRect.height()).get(), alignedRect, compositeOperator, shouldRespectImageOrientation(), useLowQualityScaling);
+    InterpolationQuality previousInterpolationQuality = context->imageInterpolationQuality();
+    context->setImageInterpolationQuality(interpolationQuality);
+    context->drawImage(m_imageResource->image(alignedRect.width(), alignedRect.height()).get(), alignedRect, compositeOperator, shouldRespectImageOrientation());
+    context->setImageInterpolationQuality(previousInterpolationQuality);
     InspectorInstrumentation::didPaintImage(this);
 }