Change filter quality when scaling-down in drawImage

third_party/WebKit/Source/modules/canvas2d/BaseRenderingContext2D.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/canvas2d/BaseRenderingContext2D.h"
 
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/css/parser/CSSParser.h"
@@ skipping 956 matching lines @@
         layerPaint.setImageFilter(paint->getImageFilter());
 
         c->saveLayer(&bounds, &layerPaint);
         c->concat(ctm);
         imagePaint.setXfermodeMode(SkXfermode::kSrcOver_Mode);
         imagePaint.setImageFilter(nullptr);
     }
 
     if (!imageSource->isVideoElement()) {
         imagePaint.setAntiAlias(shouldDrawImageAntialiased(dstRect));
-        image->draw(c, imagePaint, dstRect, srcRect, DoNotRespectImageOrientation, Image::DoNotClampImageToSourceRect);
+        image->draw(c, imagePaint, dstRect, srcRect, imageSmoothingEnabled(), DoNotRespectImageOrientation, Image::DoNotClampImageToSourceRect);
     } else {
         c->save();
         c->clipRect(dstRect);
         c->translate(dstRect.x(), dstRect.y());
         c->scale(dstRect.width() / srcRect.width(), dstRect.height() / srcRect.height());
         c->translate(-srcRect.x(), -srcRect.y());
         HTMLVideoElement* video = static_cast<HTMLVideoElement*>(imageSource);
         video->paintCurrentFrame(c, IntRect(IntPoint(), IntSize(video->videoWidth(), video->videoHeight())), &imagePaint);
     }
 
@@ skipping 591 matching lines @@
     numPatterns(0),
     numDrawWithComplexClips(0),
     numBlurredShadows(0),
     numFilters(0),
     numGetImageDataCalls(0),
     numPutImageDataCalls(0),
     numClearRectCalls(0),
     numDrawFocusCalls(0) {}
 
 } // namespace blink