Merge 85705

Source/WebCore/rendering/RenderBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. 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
@@ skipping 3148 matching lines @@
 
                 // Fix for https://bugs.webkit.org/show_bug.cgi?id=54995.
                 if (logicalBottom < 0 || logicalBottom < logicalTop || logicalTop == numeric_limits<int>::max())
                     logicalBottom = numeric_limits<int>::max();
                 else {
                     // Special-case zero- and less-than-zero-height floats: those don't touch
                     // the line that they're on, but it still needs to be dirtied. This is
                     // accomplished by pretending they have a height of 1.
                     logicalBottom = max(logicalBottom, logicalTop + 1);
                 }
+                if (r->m_originatingLine) {
+                    ASSERT(r->m_originatingLine->renderer() == this);
+                    r->m_originatingLine->markDirty();
+#if !ASSERT_DISABLED
+                    r->m_originatingLine = 0;
+#endif
+                }
                 markLinesDirtyInBlockRange(0, logicalBottom);
             }
             m_floatingObjects->decreaseObjectsCount(r->type());
             floatingObjectSet.remove(it);
+            ASSERT(!r->m_originatingLine);
             delete r;
         }
     }
 }
 
 void RenderBlock::removeFloatingObjectsBelow(FloatingObject* lastFloat, int logicalOffset)
 {
     if (!m_floatingObjects)
         return;
     
     FloatingObjectSet& floatingObjectSet = m_floatingObjects->set();
     FloatingObject* curr = floatingObjectSet.last();
     while (curr != lastFloat && (!curr->isPlaced() || logicalTopForFloat(curr) >= logicalOffset)) {
         m_floatingObjects->decreaseObjectsCount(curr->type());
         floatingObjectSet.removeLast();
+        ASSERT(!curr->m_originatingLine);
         delete curr;
         curr = floatingObjectSet.last();
     }
 }
 
 bool RenderBlock::positionNewFloats()
 {
     if (!m_floatingObjects)
         return false;
 
@@ skipping 417 matching lines @@
                     int oldLogicalBottom = logicalBottomForFloat(oldFloatingObject);
                     if (logicalWidthForFloat(f) != logicalWidthForFloat(oldFloatingObject) || logicalLeftForFloat(f) != logicalLeftForFloat(oldFloatingObject)) {
                         changeLogicalTop = 0;
                         changeLogicalBottom = max(changeLogicalBottom, max(logicalBottom, oldLogicalBottom));
                     } else if (logicalBottom != oldLogicalBottom) {
                         changeLogicalTop = min(changeLogicalTop, min(logicalBottom, oldLogicalBottom));
                         changeLogicalBottom = max(changeLogicalBottom, max(logicalBottom, oldLogicalBottom));
                     }
 
                     floatMap.remove(f->m_renderer);
+                    if (oldFloatingObject->m_originatingLine) {
+                        ASSERT(oldFloatingObject->m_originatingLine->renderer() == this);
+                        oldFloatingObject->m_originatingLine->markDirty();
+                    }
                     delete oldFloatingObject;
                 } else {
                     changeLogicalTop = 0;
                     changeLogicalBottom = max(changeLogicalBottom, logicalBottom);
                 }
             }
         }
 
         RendererToFloatInfoMap::iterator end = floatMap.end();
         for (RendererToFloatInfoMap::iterator it = floatMap.begin(); it != end; ++it) {
@@ skipping 2628 matching lines @@
 
 inline void RenderBlock::FloatingObjects::decreaseObjectsCount(FloatingObject::Type type)
 {
     if (type == FloatingObject::FloatLeft)
         m_leftObjectsCount--;
     else
         m_rightObjectsCount--;
 }
 
 } // namespace WebCore