When invalidating InlineBox ensure its painting layer is setNeedsRepaint

third_party/WebKit/Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 1218 matching lines @@
 
     if (paintInvalidationContainer.view()->usesCompositing() && paintInvalidationContainer.isPaintInvalidationContainer())
         paintInvalidationContainer.setBackingNeedsPaintInvalidationInRect(dirtyRect, invalidationReason, *this);
 }
 
 void LayoutObject::invalidateDisplayItemClient(const DisplayItemClient& client, PaintInvalidationReason reason) const
 {
     // It's caller's responsibility to ensure enclosingSelfPaintingLayer's needsRepaint is set.
     // Don't set the flag here because getting enclosingSelfPaintLayer has cost and the caller can use
     // various ways (e.g. PaintInvalidatinState::enclosingSelfPaintingLayer()) to reduce the cost.
+    DCHECK(!paintingLayer() || paintingLayer()->needsRepaint());
+
     client.setDisplayItemsUncached();
 
     if (FrameView* frameView = this->frameView())
         frameView->trackObjectPaintInvalidation(client, reason);
 }
 
 void LayoutObject::setPaintingLayerNeedsRepaintAndInvalidateDisplayItemClient(const PaintInvalidationState& paintInvalidationState, const DisplayItemClient& client, PaintInvalidationReason reason) const
 {
     paintInvalidationState.paintingLayer().setNeedsRepaint();
     invalidateDisplayItemClient(client, reason);
@@ skipping 2441 matching lines @@
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     } else {
         fprintf(stderr, "Cannot showLayoutTree. Root is (nil)\n");
     }
 }
 
 #endif