SP: Invalidate paint for the entire layout tree when ending printing.

Source/core/layout/LayoutView.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 365 matching lines @@
     if (doingFullPaintInvalidation() && !dirtyRect.isEmpty()) {
         const LayoutBoxModelObject& paintInvalidationContainer = paintInvalidationState.paintInvalidationContainer();
         DeprecatedPaintLayer::mapRectToPaintInvalidationBacking(this, &paintInvalidationContainer, dirtyRect, &paintInvalidationState);
         invalidatePaintUsingContainer(paintInvalidationContainer, dirtyRect, PaintInvalidationFull);
         if (RuntimeEnabledFeatures::slimmingPaintEnabled())
             invalidateDisplayItemClients(paintInvalidationContainer);
     }
     LayoutBlock::invalidateTreeIfNeeded(paintInvalidationState);
 }
 
+
+

[Xianzhu, 2015/06/25 18:50:05]

Nit: Too many empty lines.

[chrishtr, 2015/06/25 18:55:24]

Fixed

+static void setShouldDoFullPaintInvalidationForViewAndAllDescendantsInternal(LayoutObject* object)
+{
+    object->setShouldDoFullPaintInvalidation();
+    for (LayoutObject* child = object->slowFirstChild(); child; child = child->nextSibling()) {
+        setShouldDoFullPaintInvalidationForViewAndAllDescendantsInternal(child);
+    }
+}
+
+void LayoutView::setShouldDoFullPaintInvalidationForViewAndAllDescendants()
+{
+    setShouldDoFullPaintInvalidationForViewAndAllDescendantsInternal(this);
+

[Xianzhu, 2015/06/25 18:50:05]

Nit: Remove extra empty line.

[chrishtr, 2015/06/25 18:55:24]

Fixed.

+}
+
 void LayoutView::invalidatePaintForRectangle(const LayoutRect& paintInvalidationRect, PaintInvalidationReason invalidationReason) const
 {
     ASSERT(!paintInvalidationRect.isEmpty());
 
     if (document().printing() || !m_frameView)
         return;
 
     ASSERT(layer()->compositingState() == PaintsIntoOwnBacking || !frame()->ownerLayoutObject());
 
     if (layer()->compositingState() == PaintsIntoOwnBacking) {
@@ skipping 576 matching lines @@
     return viewHeight(IncludeScrollbars) / scale;
 }
 
 void LayoutView::willBeDestroyed()
 {
     LayoutBlockFlow::willBeDestroyed();
     m_compositor.clear();
 }
 
 } // namespace blink