Use references in RenderBlock and RenderBlockFlow methods

Source/core/rendering/line/BreakingContextInlineHeaders.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All right reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated.
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
@@ skipping 443 matching lines @@
     if (m_ignoringSpaces)
         m_lineMidpointState.stopIgnoringSpaces(InlineIterator(0, m_current.object(), 0));
 
     m_lineInfo.setEmpty(false, m_block, &m_width);
     m_ignoringSpaces = false;
     m_currentCharacterShouldCollapseIfPreWap = m_currentCharacterIsSpace = false;
     m_trailingObjects.clear();
 
     // Optimize for a common case. If we can't find whitespace after the list
     // item, then this is all moot.
-    LayoutUnit replacedLogicalWidth = m_block->logicalWidthForChild(replacedBox) + m_block->marginStartForChild(replacedBox) + m_block->marginEndForChild(replacedBox) + inlineLogicalWidth(m_current.object());
+    LayoutUnit replacedLogicalWidth = m_block->logicalWidthForChild(*replacedBox) + m_block->marginStartForChild(*replacedBox) + m_block->marginEndForChild(*replacedBox) + inlineLogicalWidth(m_current.object());
     if (m_current.object()->isListMarker()) {
         if (m_blockStyle->collapseWhiteSpace() && shouldSkipWhitespaceAfterStartObject(m_block, m_current.object(), m_lineMidpointState)) {
             // Like with inline flows, we start ignoring spaces to make sure that any
             // additional spaces we see will be discarded.
             m_currentCharacterShouldCollapseIfPreWap = m_currentCharacterIsSpace = true;
             m_ignoringSpaces = true;
         }
         if (toRenderListMarker(m_current.object())->isInside())
             m_width.addUncommittedWidth(replacedLogicalWidth.toFloat());
     } else {
@@ skipping 433 matching lines @@
 
     if (style->textIndentType() == TextIndentHanging)
         shouldIndentText = shouldIndentText == IndentText ? DoNotIndentText : IndentText;
 
     return shouldIndentText;
 }
 
 }
 
 #endif // BreakingContextInlineHeaders_h