Remove LineFragmentationData it's unused

sky/engine/core/rendering/RootInlineBox.cpp

 /*
  * Copyright (C) 2003, 2006, 2008 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 19 matching lines @@
 #include "sky/engine/core/rendering/RenderInline.h"
 #include "sky/engine/core/rendering/RenderView.h"
 #include "sky/engine/core/rendering/VerticalPositionCache.h"
 #include "sky/engine/platform/text/BidiResolver.h"
 #include "sky/engine/wtf/unicode/Unicode.h"
 
 namespace blink {
 
 struct SameSizeAsRootInlineBox : public InlineFlowBox {
     unsigned unsignedVariable;
-    void* pointers[3];
+    void* pointers[2];
     LayoutUnit layoutVariables[5];
 };
 
 COMPILE_ASSERT(sizeof(RootInlineBox) == sizeof(SameSizeAsRootInlineBox), RootInlineBox_should_stay_small);
 
 typedef WTF::HashMap<const RootInlineBox*, EllipsisBox*> EllipsisBoxMap;
 static EllipsisBoxMap* gEllipsisBoxMap = 0;
 
 RootInlineBox::RootInlineBox(RenderParagraph& block)
     : InlineFlowBox(block)
@@ skipping 752 matching lines @@
 }
 
 #ifndef NDEBUG
 const char* RootInlineBox::boxName() const
 {
     return "RootInlineBox";
 }
 #endif
 
 } // namespace blink