Skip box shadows when printing

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 901 matching lines @@
 }
 
 void BoxPainter::paintNormalBoxShadow(const PaintInfo& info,
                                       const LayoutRect& paintRect,
                                       const ComputedStyle& style,
                                       bool includeLogicalLeftEdge,
                                       bool includeLogicalRightEdge) {
   if (!style.boxShadow())
     return;
   GraphicsContext& context = info.context;
+
+  // https://bugs.chromium.org/p/skia/issues/detail?id=237
+  if (context.printing())
+    return;
+
   FloatRoundedRect border = style.getRoundedBorderFor(
       paintRect, includeLogicalLeftEdge, includeLogicalRightEdge);
 
   bool hasBorderRadius = style.hasBorderRadius();
   bool hasOpaqueBackground =
       style.visitedDependentColor(CSSPropertyBackgroundColor).alpha() == 255;
 
   GraphicsContextStateSaver stateSaver(context, false);
 
   const ShadowList* shadowList = style.boxShadow();
@@ skipping 102 matching lines @@
 
 void BoxPainter::paintInsetBoxShadowInBounds(const PaintInfo& info,
                                              const FloatRoundedRect& bounds,
                                              const ComputedStyle& style,
                                              bool includeLogicalLeftEdge,
                                              bool includeLogicalRightEdge) {
   // The caller should have checked style.boxShadow() when computing bounds.
   DCHECK(style.boxShadow());
   GraphicsContext& context = info.context;
 
+  // https://bugs.chromium.org/p/skia/issues/detail?id=237
+  if (context.printing())
+    return;
+
   bool isHorizontal = style.isHorizontalWritingMode();
   GraphicsContextStateSaver stateSaver(context, false);
 
   const ShadowList* shadowList = style.boxShadow();
   for (size_t i = shadowList->shadows().size(); i--;) {
     const ShadowData& shadow = shadowList->shadows()[i];
     if (shadow.style() != Inset)
       continue;
 
     FloatSize shadowOffset(shadow.x(), shadow.y());
@@ skipping 28 matching lines @@
 bool BoxPainter::shouldForceWhiteBackgroundForPrintEconomy(
     const ComputedStyle& style,
     const Document& document) {
   return document.printing() &&
          style.printColorAdjust() == EPrintColorAdjust::kEconomy &&
          (!document.settings() ||
           !document.settings()->getShouldPrintBackgrounds());
 }
 
 }  // namespace blink