Fix printing issue of list item with blank first line

third_party/WebKit/Source/core/paint/BlockPainter.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/BlockPainter.h"
 
 #include "core/editing/DragCaretController.h"
 #include "core/editing/FrameSelection.h"
 #include "core/layout/LayoutFlexibleBox.h"
 #include "core/layout/LayoutInline.h"
@@ skipping 204 matching lines @@
 {
     LayoutRect overflowRect;
     if (paintInfo.isPrinting() && m_layoutBlock.isAnonymousBlock() && m_layoutBlock.childrenInline()) {
         // For case <a href="..."><div>...</div></a>, when m_layoutBlock is the anonymous container
         // of <a>, the anonymous container's visual overflow is empty, but we need to continue
         // painting to output <a>'s PDF URL rect which covers the continuations, as if we included
         // <a>'s PDF URL rect into m_layoutBlock's visual overflow.
         Vector<LayoutRect> rects;
         m_layoutBlock.addElementVisualOverflowRects(rects, LayoutPoint());
         overflowRect = unionRect(rects);
-    } else {
-        overflowRect = m_layoutBlock.visualOverflowRect();
     }
+    overflowRect.unite(m_layoutBlock.visualOverflowRect());
 
     if (m_layoutBlock.hasOverflowModel() && m_layoutBlock.usesCompositedScrolling()) {
         overflowRect.unite(m_layoutBlock.layoutOverflowRect());
         overflowRect.move(-m_layoutBlock.scrolledContentOffset());
     }
     m_layoutBlock.flipForWritingMode(overflowRect);
     overflowRect.moveBy(adjustedPaintOffset);
     return paintInfo.cullRect().intersectsCullRect(overflowRect);
 }
 
 void BlockPainter::paintContents(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
 {
     DCHECK(!m_layoutBlock.childrenInline());
     PaintInfo paintInfoForDescendants = paintInfo.forDescendants();
     m_layoutBlock.paintChildren(paintInfoForDescendants, paintOffset);
 }
 
 } // namespace blink