Invalidate first line display item clients when first line style changes

third_party/WebKit/Source/core/layout/line/InlineFlowBox.h

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2007 Apple Inc. 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 268 matching lines @@
     void setIsFirstAfterPageBreak(bool isFirstAfterPageBreak) { m_isFirstAfterPageBreak = isFirstAfterPageBreak; }
 
     // Some callers (LayoutListItem) needs to set extra overflow on their line box.
     void overrideOverflowFromLogicalRects(const LayoutRect& logicalLayoutOverflow, const LayoutRect& logicalVisualOverflow, LayoutUnit lineTop, LayoutUnit lineBottom)
     {
         // If we are setting an overflow, then we can't pretend not to have an overflow.
         clearKnownToHaveNoOverflow();
         setOverflowFromLogicalRects(logicalLayoutOverflow, logicalVisualOverflow, lineTop, lineBottom);
     }
 
+    void invalidateDisplayItemClientsOfFirstLine();
+
 private:
     void placeBoxRangeInInlineDirection(InlineBox* firstChild, InlineBox* lastChild,
         LayoutUnit& logicalLeft, LayoutUnit& minLogicalLeft, LayoutUnit& maxLogicalRight, bool& needsWordSpacing);
     void beginPlacingBoxRangesInInlineDirection(LayoutUnit logicalLeft) { setLogicalLeft(logicalLeft); }
     void endPlacingBoxRangesInInlineDirection(LayoutUnit logicalLeft, LayoutUnit logicalRight, LayoutUnit minLogicalLeft, LayoutUnit maxLogicalRight)
     {
         setLogicalWidth(logicalRight - logicalLeft);
         if (knownToHaveNoOverflow() && (minLogicalLeft < logicalLeft || maxLogicalRight > logicalRight))
             clearKnownToHaveNoOverflow();
     }
@@ skipping 71 matching lines @@
 }
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::InlineFlowBox*);
 #endif
 
 #endif // InlineFlowBox_h