blink: Cleanup core class forward declarations

third_party/WebKit/Source/core/layout/TextRunConstructor.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003-2013 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ skipping 26 matching lines @@
 #define TextRunConstructor_h
 
 #include "platform/text/TextDirection.h"
 #include "platform/text/TextRun.h"
 #include "wtf/text/Unicode.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class Font;
-class LayoutObject;
 class ComputedStyle;
 class LayoutText;
 class LineLayoutText;
-class LineLayoutItem;
 
 enum TextRunFlag {
   DefaultTextRunFlags = 0,
   RespectDirection = 1 << 0,
   RespectDirectionOverride = 1 << 1
 };
 
 typedef unsigned TextRunFlags;
 
 // Direction resolved from string value.
@@ skipping 26 matching lines @@
                          TextDirection);
 TextRun constructTextRun(const Font&,
                          const UChar*,
                          int length,
                          const ComputedStyle&,
                          TextDirection);
 
 }  // namespace blink
 
 #endif