blink: Cleanup core class forward declarations

third_party/WebKit/Source/core/editing/FrameSelection.h

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010 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
@@ skipping 26 matching lines @@
 #include "core/layout/ScrollAlignment.h"
 #include "platform/Timer.h"
 #include "platform/geometry/IntRect.h"
 #include "platform/geometry/LayoutRect.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Noncopyable.h"
 #include <memory>
 
 namespace blink {
 
-class CaretBase;
 class CharacterData;
-class CullRect;
 class LayoutBlock;
 class LocalFrame;
 class FrameCaret;
 class GranularityStrategy;
 class GraphicsContext;
 class HTMLFormElement;
 class SelectionEditor;
 class PendingSelection;
 class Text;
 
@@ skipping 300 matching lines @@
 }
 }  // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showTree(const blink::FrameSelection&);
 void showTree(const blink::FrameSelection*);
 #endif
 
 #endif  // FrameSelection_h