Invalidate first line display item clients when first line style changes

third_party/WebKit/Source/core/layout/line/InlineBox.cpp

 /*
  * 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 366 matching lines @@
     root().block().flipForWritingMode(rect);
 }
 
 LayoutPoint InlineBox::flipForWritingMode(const LayoutPoint& point) const
 {
     if (!UNLIKELY(lineLayoutItem().hasFlippedBlocksWritingMode()))
         return point;
     return root().block().flipForWritingMode(point);
 }
 
+void InlineBox::invalidateDisplayItemClientsRecursively()
+{
+    layoutObject().invalidateDisplayItemClient(*this);
+    if (!isInlineFlowBox())
+        return;
+    for (InlineBox* child = toInlineFlowBox(this)->firstChild(); child; child = child->nextOnLine())
+        child->invalidateDisplayItemClientsRecursively();
+}
+
 } // namespace blink
 
 #ifndef NDEBUG
 
 void showTree(const blink::InlineBox* b)
 {
     if (b)
         b->showTreeForThis();
     else
         fprintf(stderr, "Cannot showTree for (nil) InlineBox.\n");
 }
 
 void showLineTree(const blink::InlineBox* b)
 {
     if (b)
         b->showLineTreeForThis();
     else
         fprintf(stderr, "Cannot showLineTree for (nil) InlineBox.\n");
 }
 
 #endif