[SPInvalidation] Invalidate all paint and properties for printing

third_party/WebKit/Source/core/paint/PaintInvalidator.cpp

 // Copyright 2016 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/PaintInvalidator.h"
 
 #include "core/editing/FrameSelection.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
@@ skipping 295 matching lines @@
     // continue forcing a check for paint invalidation, since we're
     // descending into a different invalidation container. (For instance if
     // our parents were moved, the entire container will just move.)
     if (object != context.paintInvalidationContainerForStackedContents) {
       // However, we need to keep the
       // ForcedSubtreeFullInvalidationForStackedContents flag if the current
       // object isn't the paint invalidation container of stacked contents.
       context.forcedSubtreeInvalidationFlags &= PaintInvalidatorContext::
           ForcedSubtreeFullInvalidationForStackedContents;
     } else {
-      context.forcedSubtreeInvalidationFlags = 0;
+      // For SPv1, subtree flags don't cross paint invalidation container
+      // boundary except for ForcedWholeTreeFullInvalidation.
+      context.forcedSubtreeInvalidationFlags &=
+          PaintInvalidatorContext::ForcedWholeTreeFullInvalidation;
     }
   }
 
   DCHECK(context.paintInvalidationContainer ==
          object.containerForPaintInvalidation());
   DCHECK(context.paintingLayer == object.paintingLayer());
 
   if (object.mayNeedPaintInvalidationSubtree())
     context.forcedSubtreeInvalidationFlags |=
         PaintInvalidatorContext::ForcedSubtreeInvalidationChecking;
@@ skipping 115 matching lines @@
         PaintInvalidatorContext::ForcedSubtreeInvalidationRectUpdate;
 }
 
 void PaintInvalidator::processPendingDelayedPaintInvalidations() {
   for (auto target : m_pendingDelayedPaintInvalidations)
     target->getMutableForPainting().setShouldDoFullPaintInvalidation(
         PaintInvalidationDelayedFull);
 }
 
 }  // namespace blink