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

third_party/WebKit/Source/core/paint/ImagePainter.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/ImagePainter.h"
 
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/editing/FrameSelection.h"
 #include "core/frame/LocalFrame.h"
@@ skipping 125 matching lines @@
                                  const LayoutRect& content_rect) {
   if (!layout_image_.ImageResource()->HasImage() ||
       layout_image_.ImageResource()->ErrorOccurred())
     return;  // FIXME: should we just ASSERT these conditions? (audit all
              // callers).
 
   IntRect pixel_snapped_dest_rect = PixelSnappedIntRect(dest_rect);
   if (pixel_snapped_dest_rect.IsEmpty())
     return;
 
-  RefPtr<Image> image = layout_image_.ImageResource()->GetImage(
-      pixel_snapped_dest_rect.Size(), layout_image_.Style()->EffectiveZoom());
+  RefPtr<Image> image =
+      layout_image_.ImageResource()->GetImage(pixel_snapped_dest_rect.Size());
   if (!image || image->IsNull())
     return;
 
   // FIXME: why is interpolation quality selection not included in the
   // Instrumentation reported cost of drawing an image?
   InterpolationQuality interpolation_quality =
       BoxPainter::ChooseInterpolationQuality(
           layout_image_, image.Get(), image.Get(),
           LayoutSize(pixel_snapped_dest_rect.Size()));
 
@@ skipping 16 matching lines @@
   InterpolationQuality previous_interpolation_quality =
       context.ImageInterpolationQuality();
   context.SetImageInterpolationQuality(interpolation_quality);
   context.DrawImage(
       image.Get(), pixel_snapped_dest_rect, &src_rect, SkBlendMode::kSrcOver,
       LayoutObject::ShouldRespectImageOrientation(&layout_image_));
   context.SetImageInterpolationQuality(previous_interpolation_quality);
 }
 
 }  // namespace blink