Remove some straggling zoom-related code.

sky/engine/core/rendering/ImageQualityController.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 155 matching lines @@
         LayerSizeMap::iterator j = innerMap->find(layer);
         if (j != innerMap->end()) {
             isFirstResize = false;
             oldSize = j->value;
         }
     }
 
     const AffineTransform& currentTransform = context->getCTM();
     bool contextIsScaled = !currentTransform.isIdentityOrTranslationOrFlipped();
 
-    // Make sure to use the unzoomed image size, since if a full page zoom is in effect, the image
-    // is actually being scaled.
     LayoutSize scaledImageSize = currentTransform.mapSize(image->size());
     LayoutSize scaledLayoutSize = currentTransform.mapSize(roundedIntSize(layoutSize));
 
     // If the containing FrameView is being resized, paint at low quality until resizing is finished.
     if (m_liveResizeOptimizationIsActive) {
         // Live resize has ended, paint in HQ and remove this object from the list.
         removeLayer(object, innerMap, layer);
         return false;
     }
 
@@ skipping 29 matching lines @@
     // This object has been resized to two different sizes while the timer
     // is active, so draw at low quality, set the flag for animated resizes and
     // the object to the list for high quality redraw.
     set(object, innerMap, layer, scaledLayoutSize);
     m_animatedResizeIsActive = true;
     restartTimer();
     return true;
 }
 
 } // namespace blink