blink: Cleanup class/struct forward declarations

third_party/WebKit/public/web/WebRange.h

 /*
  * Copyright (C) 2009 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
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 23 matching lines @@
 #include "public/platform/WebCommon.h"
 #if BLINK_IMPLEMENTATION
 #include "core/editing/EphemeralRange.h"
 #endif
 
 namespace blink {
 
 class LocalFrame;
 class PlainTextRange;
 class Range;
-class WebString;
 
 class WebRange final {
  public:
   BLINK_EXPORT WebRange(int start, int length);
   BLINK_EXPORT WebRange() {}
 
   int startOffset() const { return m_start; }
   int endOffset() const { return m_end; }
   int length() const { return m_end - m_start; }
 
@@ skipping 10 matching lines @@
  private:
   // Note that this also matches the values for gfx::Range::InvalidRange
   // for easy conversion.
   int m_start = -1;
   int m_end = -1;
 };
 
 }  // namespace blink
 
 #endif