Fix LayoutState for relatively positioned inlines

Source/core/rendering/LayoutState.cpp

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 104 matching lines @@
             m_isPaginated = m_pageLogicalHeight || m_next->m_columnInfo || renderer.flowThreadContainingBlock();
         }
     }
 
     if (!m_columnInfo)
         m_columnInfo = m_next->m_columnInfo;
 
     // FIXME: <http://bugs.webkit.org/show_bug.cgi?id=13443> Apply control clip if present.
 }
 
+LayoutState::LayoutState(RenderInline& renderer)
+    : m_next(renderer.view()->layoutState())
+    , m_renderer(renderer)
+{
+    ASSERT(m_next);
+
+    renderer.view()->pushLayoutState(*this);
+    m_cachedOffsetsEnabled = m_next->m_cachedOffsetsEnabled && renderer.supportsLayoutStateCachedOffsets();
+
+    m_paintOffset = m_next->m_paintOffset;
+    // Handle relative positioned inline.
+    if (renderer.style()->hasInFlowPosition() && renderer.layer())
+        m_paintOffset += renderer.layer()->offsetForInFlowPosition();
+
+    // RenderInline can't be out-of-flow positioned.
+
+    // The following can't apply to RenderInline so we just propagate them.
+    m_clipped = m_next->m_clipped;
+    m_clipRect = m_next->m_clipRect;
+
+    m_pageLogicalHeight = m_next->m_pageLogicalHeight;
+    m_pageLogicalHeightChanged = m_next->m_pageLogicalHeightChanged;
+    m_pageOffset = m_next->m_pageOffset;
+
+    m_columnInfo = m_next->m_columnInfo;
+}
+
 inline static bool shouldDisableLayoutStateForSubtree(RenderObject& renderer)
 {
     RenderObject* object = &renderer;
     while (object) {
         if (object->supportsLayoutStateCachedOffsets())
             return true;
         object = object->container();
     }
     return false;
 }
@@ skipping 51 matching lines @@
 }
 
 void LayoutState::addForcedColumnBreak(const RenderBox& child, const LayoutUnit& childLogicalOffset)
 {
     if (!m_columnInfo || m_columnInfo->columnHeight())
         return;
     m_columnInfo->addForcedBreak(pageLogicalOffset(child, childLogicalOffset));
 }
 
 } // namespace WebCore