Merge 109142

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, 2011 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 834 matching lines @@
     // Check for a spanning element in columns.
     RenderBlock* columnsBlockAncestor = columnsBlockForSpanningElement(newChild);
     if (columnsBlockAncestor) {
         // We are placing a column-span element inside a block. 
         RenderBlock* newBox = createAnonymousColumnSpanBlock();
         
         if (columnsBlockAncestor != this) {
             // We are nested inside a multi-column element and are being split by the span.  We have to break up
             // our block into continuations.
             RenderBoxModelObject* oldContinuation = continuation();
-            setContinuation(newBox);
+
+            // When we split an anonymous block, there's no need to do any continuation hookup,
+            // since we haven't actually split a real element.
+            if (!isAnonymousBlock())
+                setContinuation(newBox);
 
             // Someone may have put a <p> inside a <q>, causing a split.  When this happens, the :after content
             // has to move into the inline continuation.  Call updateBeforeAfterContent to ensure that our :after
             // content gets properly destroyed.
             bool isLastChild = (beforeChild == lastChild());
             if (document()->usesBeforeAfterRules())
                 children()->updateBeforeAfterContent(this, AFTER);
             if (isLastChild && beforeChild != lastChild())
                 beforeChild = 0; // We destroyed the last child, so now we need to update our insertion
                                  // point to be 0.  It's just a straight append now.
@@ skipping 884 matching lines @@
 
 bool RenderBlock::handleRunInChild(RenderBox* child)
 {
     // See if we have a run-in element with inline children.  If the
     // children aren't inline, then just treat the run-in as a normal
     // block.
     if (!child->isRunIn() || !child->childrenInline())
         return false;
     // FIXME: We don't handle non-block elements with run-in for now.
     if (!child->isRenderBlock())
+        return false;  
+    // Run-in child shouldn't intrude into the sibling block if it is part of a
+    // continuation chain. In that case, treat it as a normal block.
+    if (child->isElementContinuation() || child->virtualContinuation())
         return false;
 
     RenderBlock* blockRunIn = toRenderBlock(child);
     RenderObject* curr = blockRunIn->nextSibling();
     if (!curr || !curr->isRenderBlock() || !curr->childrenInline() || curr->isRunIn() || curr->isAnonymous() || curr->isFloatingOrPositioned())
         return false;
 
     RenderBlock* currBlock = toRenderBlock(curr);
 
     // First we destroy any :before/:after content. It will be regenerated by the new inline.
@@ skipping 5448 matching lines @@
 }
 
 String ValueToString<RenderBlock::FloatingObject*>::string(const RenderBlock::FloatingObject* floatingObject)
 {
     return String::format("%p (%dx%d %dx%d)", floatingObject, floatingObject->x(), floatingObject->y(), floatingObject->maxX(), floatingObject->maxY());
 }
 
 #endif
 
 } // namespace WebCore