Fix border radius on composited children.

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 774 matching lines @@
                  root.lineTop(), root.lineBottom());
     } else {
       // FIXME: this should only have an effect for the line box list within
       // |obj|. Change this to create a LineBoxListPainter directly.
       LayoutSize localOffset =
           obj.isBox() ? toLayoutBox(&obj)->locationOffset() : LayoutSize();
       obj.paint(info, scrolledPaintRect.location() - localOffset);
     }
 
     context.endLayer();
-    context.endLayer();
   }
 }
 
 void BoxPainter::paintMask(const PaintInfo& paintInfo,
                            const LayoutPoint& paintOffset) {
   if (m_layoutBox.style()->visibility() != EVisibility::Visible ||
       paintInfo.phase != PaintPhaseMask)
     return;
 
   if (LayoutObjectDrawingRecorder::useCachedDrawingIfPossible(
@@ skipping 244 matching lines @@
 bool BoxPainter::shouldForceWhiteBackgroundForPrintEconomy(
     const ComputedStyle& style,
     const Document& document) {
   return document.printing() &&
          style.getPrintColorAdjust() == PrintColorAdjust::Economy &&
          (!document.settings() ||
           !document.settings()->shouldPrintBackgrounds());
 }
 
 }  // namespace blink