Antialias the dragged-link rounded rect

third_party/WebKit/Source/platform/DragImage.cpp

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 239 matching lines @@
   if (!buffer)
     return nullptr;
 
   buffer->canvas()->scale(deviceScaleFactor, deviceScaleFactor);
 
   const float DragLabelRadius = 5;
 
   IntRect rect(IntPoint(), imageSize);
   SkPaint backgroundPaint;
   backgroundPaint.setColor(SkColorSetRGB(140, 140, 140));
+  backgroundPaint.setAntiAlias(true);
   SkRRect rrect;
   rrect.setRectXY(SkRect::MakeWH(imageSize.width(), imageSize.height()),
                   DragLabelRadius, DragLabelRadius);
   buffer->canvas()->drawRRect(rrect, backgroundPaint);
 
   // Draw the text
   SkPaint textPaint;
   if (drawURLString) {
     if (clipURLString)
       urlString = StringTruncator::centerTruncate(
@@ skipping 44 matching lines @@
       m_interpolationQuality == InterpolationNone
           ? skia::ImageOperations::RESIZE_BOX
           : skia::ImageOperations::RESIZE_LANCZOS3;
   int imageWidth = scaleX * m_bitmap.width();
   int imageHeight = scaleY * m_bitmap.height();
   m_bitmap = skia::ImageOperations::Resize(m_bitmap, resizeMethod, imageWidth,
                                            imageHeight);
 }
 
 }  // namespace blink