Delete RenderBlockFlow.

sky/engine/core/editing/TextIterator.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 771 matching lines @@
     // emit after a preceding block. We chose not to emit (m_hasEmitted is false),
     // so don't second guess that now.
     // NOTE: Is this really correct when m_node is not a leftmost descendant? Probably
     // immaterial since we likely would have already emitted something by now.
     if (!m_startOffset)
         return false;
 
     // If this node is unrendered or invisible the VisiblePosition checks below won't have much meaning.
     // Additionally, if the range we are iterating over contains huge sections of unrendered content,
     // we would create VisiblePositions on every call to this function without this check.
-    if (!m_node->renderer() || (m_node->renderer()->isRenderBlockFlow() && !toRenderBlock(m_node->renderer())->height()))
+    if (!m_node->renderer() || (m_node->renderer()->isRenderParagraph() && !toRenderBlock(m_node->renderer())->height()))
         return false;
 
     // The startPos.isNotNull() check is needed because the start could be before the body,
     // and in that case we'll get null. We don't want to put in newlines at the start in that case.
     // The currPos.isNotNull() check is needed because positions in non-HTML content
     // (like SVG) do not have visible positions, and we don't want to emit for them either.
     VisiblePosition startPos = VisiblePosition(Position(m_startContainer, m_startOffset, Position::PositionIsOffsetInAnchor), DOWNSTREAM);
     VisiblePosition currPos = VisiblePosition(positionBeforeNode(m_node), DOWNSTREAM);
     return startPos.isNotNull() && currPos.isNotNull() && !inSameLine(startPos, currPos);
 }
@@ skipping 1079 matching lines @@
             resultEnd = collapseTo;
             return;
         }
     }
 
     CharacterIterator computeRangeIterator(inputStart, inputEnd, iteratorFlagsForFindPlainText);
     calculateCharacterSubrange(computeRangeIterator, matchStart, matchLength, resultStart, resultEnd);
 }
 
 }