Remove unnecessary zoom argument from GetImage() as its value is always available through the Layou…

third_party/WebKit/Source/core/paint/BoxPainter.cpp

 // Copyright 2014 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 "core/paint/BoxPainter.h"
 
 #include "core/HTMLNames.h"
 #include "core/frame/Settings.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/layout/ImageQualityController.h"
@@ skipping 424 matching lines @@
                     const LayoutSize& container_size)
       : context_(context),
         previous_interpolation_quality_(context.ImageInterpolationQuality()) {
     SkBlendMode bg_op =
         WebCoreCompositeToSkiaComposite(layer.Composite(), layer.BlendMode());
     // if op != SkBlendMode::kSrcOver, a mask is being painted.
     composite_op_ = (op == SkBlendMode::kSrcOver) ? bg_op : op;
 
     const LayoutObject& image_client =
         background_object ? *background_object : obj;
-    image_ = style_image.GetImage(image_client, FlooredIntSize(container_size),
-                                  obj.Style()->EffectiveZoom());
+    image_ = style_image.GetImage(image_client, FlooredIntSize(container_size));
 
     interpolation_quality_ = BoxPainter::ChooseInterpolationQuality(
         image_client, image_.Get(), &layer, container_size);
     if (interpolation_quality_ != previous_interpolation_quality_)
       context.SetImageInterpolationQuality(interpolation_quality_);
 
     if (layer.MaskSourceType() == kMaskLuminance)
       context.SetColorFilter(kColorFilterLuminanceToAlpha);
   }
 
@@ skipping 609 matching lines @@
 bool BoxPainter::ShouldForceWhiteBackgroundForPrintEconomy(
     const ComputedStyle& style,
     const Document& document) {
   return document.Printing() &&
          style.PrintColorAdjust() == EPrintColorAdjust::kEconomy &&
          (!document.GetSettings() ||
           !document.GetSettings()->GetShouldPrintBackgrounds());
 }
 
 }  // namespace blink